Spring 2010 Organismal Biology 1030 A & B Section One Exam
1.
The atomic number of an atom or element is defined as:
A. The number of neutrons in the nucleus
B. The number of electrons in the nucleus
C. The number of protons in the nucleus
D. The number of neutrons in the orbitals
E. The number of protons in the orbitals
2.
The atomic mass number of an atom is defined as:
A. The total number of protons, neutrons and electrons of an atom
B. The total number of protons and electrons of an atom
C. The total number of protons and neutrons of an atom
D. The total number of neutrons and electrons of an atom
E. The total number of protons of an atom
3.
An acid:
A. Is a chemical that takes hydrogen ions from a solution, and has a value above seven on the pH scale
B. Is a chemical that adds hydrogen ions to a solution, and has a value below seven on the pH scale
C. Is a chemical that doesn’t change the hydrogen ions in a solution, and has a value of seven on the pH scale
D. Is a chemical that causes hallucinations
E. Is a chemical that all other chemicals are based upon
4.
A base:
A. Is a chemical that takes hydrogen ions from a solution, and has a value above seven on the pH scale
B. Is a chemical that adds hydrogen ions to a solution, and has a value below seven on the pH scale
C. Is a chemical that doesn’t change the hydrogen ions in a solution, and has a value of seven on the pH scale
D. Is a chemical that causes hallucinations
E. Is a chemical that all other chemicals are based upon
5.
A covalent bond is a bond:
A. Formed by atoms of opposite charge attracting one another
B. Formed by atoms that share electrons
C. Formed by the interaction of a hydrogen atom and another electronegative atom
D. That is a strong bond, except in the presence of water
E. That is a weak bond
6.
If a covalent bond is polar:
A. Electrons are not shared by atoms
B. Protons are shared by atoms
C. One of the atoms has a partial negative charge
D. The bond is not important to living cells
E. The bond is not a strong bond
7.
An ionic bond is a bond:
A. Formed by atoms of opposite charge attracting one another
B. Formed by atoms that share electrons
C. Formed by the interaction of a hydrogen atom and another electronegative atom
D. That is a weak bond, except in the presence of water
E. That is not important to living cells
8.
An ion is:
A. An atom that has gained or lost electrons
B. An atom that has a net charge of zero
C. An atom that has lost a neutron
D. An atom that has gained a neutron
E. An atom that has been ‘zapped’ by a cosmic ray
1
9.
A hydrogen bond:
A. Is a strong bond
B. Does not occur between molecules
C. Does not occur within a molecule
D. Is not important to living cells
E. Is a bond where opposite partial charges on atoms attract each other
10. Organic molecules are defined as chemical compounds that contain:
A. At least carbon
B. At least both carbon and oxygen
C. At least both carbon and nitrogen
D. At least both carbon and hydrogen
E. At least the three atoms carbon, hydrogen and nitrogen
11. The four major groups of organic compounds are:
A. Fats, waxes, carbohydrates and amino acids
B. Carbohydrates, lipids, proteins and nucleic acids
C. Carbohydrates, lipids, steroids and monosaccharides
D. Lipids, fats, waxes and steroids
E. Carbohydrates, proteins, amino acids and nucleic acids
12. A process by which cells break polymers down into smaller units is:
A. Dehydration synthesis
B. Hydrolysis
C. Condensation
D. Reproduction
E. Polymerization
13. Examples of monosaccharides are:
A. Glucose and fructose
B. Maltose and sucrose
C. Chitin and glycogen
D. Starch and cellulose
E. Saccharin and sucralose
14. Which is not a lipid?
A. A triglyceride
B. A phospholipid
C. A starch
D. A wax
E. A sterol
15. A phospholipid molecule:
A. Has a hydrophilic head that is repelled by water
B. Has hydrophilic tails that are repelled by water
C. Has a hydrophilic head that is attracted to water
D. Has a hydrophobic head that is repelled by water
E. Has hydrophobic tails that are attracted to water
16. A peptide bond:
A. Is a covalent bond
B. Is an ionic bond
C. Is a weak bond
D. Is a hydrogen bond
E. Connects the R group to an amino acid
2
17. The primary building block (monomer) of proteins is:
A. A glucose molecule
B. A fatty acid
C. A nucleotide
D. An amino acid
E. Four interconnected rings
18. The primary building block (monomer) of nucleic acids is:
A. A glucose molecule
B. A fatty acid
C. A nucleotide
D. An amino acid
E. Four interconnected rings
19. The four nitrogen bases found in RNA are:
A. Adenine, thymine, guanine and uracil
B. Adenine, thymine, cytosine and uracil
C. Thymine, cytosine, guanine and uracil
D. Adenine, cytosine, guanine and uracil
E. Alanine, cysteine, glycine and threonine
20. The original three tenets of the cell theory are:
A. All organisms have DNA, DNA is the fundamental unit of life, and all cells come from preexisting cells
B. All organisms are made of one or more cells, the cell is the fundamental unit of life, and all cells come from
preexisting cells
C. All organisms have DNA, all organisms are made of cells, and all cells produce proteins
D. All organisms are made of one or more cells, the cell is the fundamental unit of life, and all cells have a nucleus
E. All organisms are made of one or more cells, all cells contain DNA, and all cells come from preexisting cells
21. The primary structural component of a cell membrane is:
A. A phospholipid molecule
B. A protein molecule
C. A cholesterol molecule
D. An enzyme
E. A sugar molecule attached to a protein
22. Primary functions of a protein within the cell membrane structure does not include:
A. Transport of molecules out of the cell
B. Recognition of an organisms own cells
C. To enable cells to adhere to one another
D. Receiving chemical signals
E. Carrying out the process of cellular reproduction
23. Signal transduction is a process:
A. Involving a transport protein that allows substances across the cell membrane
B. Involving a receptor protein and a first and second messenger that usually activates genes or enzymes
C. Involving an adhesion protein and adjacent cells
D. Involving an enzymatic protein and the digestion of nutrients
E. Involving recognition proteins and the immune system
24. A eukaryotic cell:
A. Has membrane-bounded organelles
B. Has a cell wall with peptidoglycan
C. Is usually smaller than a prokaryotic cell
D. Does not have membrane-bounded organelles
E. Does not usually have a nucleus
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25. The three domains in the Woese system of classification are:
A. Monera, Bacteria and Eukarya
B. Archaea, Bacteria and Eukarya
C. Fungi, Protista and Animalia
D. Archaea, Eukarya and Protista
E. Monera, Bacteria and Eukarya
26.
The theory of endosymbiosis is strengthened by the fact(s) that:
A. The knowledge that chloroplasts and mitochondria have their own DNA very similar to bacterial DNA
B. The knowledge that ribosomes are structures found in all life
C. The knowledge that nuclei are structures only found in Eukarya
D. The knowledge that cell membranes are structures found in all life
E. Endosymbiosis is false – all evidence points at its contradiction
27.
The endoplasmic reticulum has nothing to do with:
A. Producing and modifying proteins
B. Producing mRNA
C. Producing lipids
D. Detoxifying poisons
E. Forming vesicles for transport to the Golgi apparatus
28.
The Golgi apparatus is not:
A. Studded with ribosomes
B. An organelle
C. A processing center
D. A stack of membrane enclosed sacs
E. Involved with secretion of cellular substances
29. Chloroplasts are not:
A. Glucose factories
B. Organelles that carry out photosynthesis
C. Found in plants
D. Found in protista
E. Found in fungi
30. Mitochondria do not:
A. Have their own DNA
B. Extract energy from nutrients
C. Carry out photosynthesis
D. Have two membrane layers
E. Have cristae
31. A cell membrane is not:
A. A fluid structure
B. A mosaic structure
C. A bilayered structure
D. A rigid structure
E. Composed of phospholipid molecules
32. The cell wall of bacteria does not:
A. Help prevent the cell from bursting
B. Protect the cell
C. Contain peptidoglycan
D. Give the bacterium a distinctive shape
E. Contain cellulose
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33.
Many Archaea are called extremeophiles because they live in extreme conditions. Where do none of them live?
A. Extreme cold
B. Extreme salinity
C. Extreme heat
D. Extreme acidity
E. The sun
34.
Which of the following are cellular digestion centers?
A. Ribosomes
B. Chloroplasts
C. Mitochondria
D. Lysosomes and peroxisomes
E. Endoplasmic reticulum
35.
A cytoskeleton is not:
A. Found in the cytoplasm of eukaryotic cells
B. A system of tracks used for transport
C. A structure that aids in the process of cell division
D. Composed of microtubules and microfilaments
E. A scary Halloween costume
36. Phagocytosis is:
A. An example of exocytosis
B. An example of endocytosis
C. Used by red blood cells to destroy disease causing agents
D. A slang term for homophobia
E. Always receptor-mediated
37. Living organisms can remain organized because they:
A. Are a closed system
B. Utilize energy and matter from other sources
C. Increase in entropy
D. Ultimately use the sun’s increase in complexity
E. Are smart
38. Coupled reactions do not:
A. Occur simultaneously
B. Occur in the same place in the cell
C. Use a hydrolytic exergonic reaction to drive an endergonic reaction
D. Use phosphorylation to transfer a phosphate group from ATP to another molecule
E. Use phosphorylation to transfer a phosphate group from ADP to another molecule
39. An enzyme:
A. Is a type of protein
B. Is not catalytic
C. Is not necessary to sustain life in a cell
D. Becomes consumed in reactions they enter
E. Raises the “energy of activation” of a reaction
40. Enzymes speed chemical reactions by:
A. Lowering the amount of reactants that are needed
B. Maintaining chemical equilibrium
C. Lowering the energy required to start a chemical reaction
D. Raising the temperature of the surroundings
E. By supplying energy to the reaction process
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41. An active site:
A. Is a physical location on an enzyme’s surface
B. Can accept only one single molecule
C. Has nothing to do with the specificity of an enzymatic reaction
D. Always requires the use of a cofactor to bind a molecule
E. Is an area of the world where a military battle is occurring
42. The molecule (or molecules) that naturally fits into the active site of an enzyme for a reaction is:
A. Always a protein
B. Called a substrate
C. Called an analog
D. Called a cofactor
E. Always a carbohydrate
43. Competitive inhibition of enzymes:
A. Occurs when a substance binds to an enzyme at a site away from the active site
B. Occurs when a substance other than the substrate binds at the active site of an enzyme
C. Occurs when one enzyme shames another enzyme into inhibition
D. Is never used to regulate the metabolism of the cell
E. Cannot be initiated with drugs
44. Noncompetitive inhibition of enzymes:
A. Occurs when a substance binds to an enzyme at a site away from the active site
B. Occurs when a substance other than the substrate binds at the active site of an enzyme
C. Occurs when one enzyme shames another enzyme into inhibition
D. Is never used to regulate the metabolism of the cell
E. Cannot be initiated with drugs
45. Simple diffusion:
A. Does not require energy
B. Requires energy
C. Utilizes proteins to move molecules across a membrane
D. Moves molecules against a concentration gradient
E. Is not helpful to living cells
46. The diffusion of water across a selectively permeable (biological) membrane is:
A. Facilitated diffusion
B. Active transport
C. Osmosis
D. A rare occurrence
E. Always beneficial to a cell
47. If a cell has a 95% concentration of water in its cytoplasm and the environment surrounding the cell has a 90%
concentration of water:
A. Water will flow out of the cell by osmosis
B. Water will flow into the cell by osmosis
C. Water will flow out of the cell by exocytosis
D. Water will flow into the cell by edocytosis
E. Water levels will remain the same
48. In which type of metabolic pathway is the product of the last reaction also the starting material of the first?
A. A straight chain
B. A cycle
C. A branched chain
D. An atomic chain reaction
E. A daisy chain
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49. Oxidation-reduction reactions:
A. Are not used by living cells
B. Transfer protons from one molecule to another
C. Reduce the amount of oxygen in the cell
D. Increase the amount of oxygen in the cell
E. Transfer electrons from one molecule to another
50. Oxidation means:
A. The gain of oxygen by a cell
B. The loss of oxygen by a cell
C. The gain of electrons by a molecule
D. The loss of electrons from a molecule
E. The loss of water from a molecule
51. Reduction means:
A. The gain of oxygen by a cell
B. The loss of oxygen from a cell
C. The gain of electrons by a molecule
D. The loss of electrons by a molecule
E. The loss of water from a molecule
52. The process of phosphorylation can not:
A. Release a phosphate group from one molecule
B. Add a phosphate group to another molecule
C. Change the shape of the target molecule
D. Energize the target molecule
E. Usually occur independent of ATP
53. Active transport is different from simple diffusion in that active transport:
A. Does not require energy
B. Moves molecules against a concentration gradient
C. Does not require proteins embedded within the cell membrane
D. Moves molecules from an area of higher concentration to an area of lower concentration
E. Uses the process of endocytosis
54. Which of the following is not an example of kinetic energy?
A. The energy in chemical bonds
B. Heat
C. Light
D. Sound
E. Random molecular movement
55. Entropy is:
A. Order
B. Complexity
C. Disorder
D. Organization
E. The absence of heat
56. Sucrose is a disaccharide consisting of the monosaccharides:
A. Glucose and maltose
B. Galactose and fructose
C. Glucose and fructose
D. Glucose and galactose
E. Two glucose molecules
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57. ATP is:
A. Adenosine triphosphate
B. Stores energy temporarily outside of cells
C. Holds energy released from endergonic reactions and applies that energy to exergonic reactions
D. Contains the sugar glucose
E. Not used in any life processes
58. During glycolysis molecules of glucose are:
A. Broken down into molecules of an intermediate named pyruvate
B. Put together to form molecules of an intermediate named pyruvate
C. Used to create the formation of ADP
D. Used to break down molecules of ADP
E. Broken down and the carbon atoms liberated as CO2
59. The electrons that are transferred during cellular respiration are carried in the molecules:
A. ADP and ATP
B. Chlorophyl and NADP
C. H2O and Glucose
D. NADP and Glucose
E. NADH and FADH2
60. The enzyme that forms a channel in the inner membrane of the mitochondria and phosphorylates ADP is:
A. NADH Synthase
B. FADH2 Synthase
C. ATP Synthase
D. ADP Synthase
E. Glucose Synthase
61. Glycolysis does not require:
A. ATP
B. Oxygen
C. Glucose
D. Enzymes
E. NAD+
62. If a high-energy "donor" molecule physically transfers a phosphate group to ADP, this is called:
A. Substrate-level phosphorylation
B. Photosynthesis
C. Oxidative phosphorylation
D. Electron transport
E. Glycolysis
63. Only a small amount of ATP is produced during glycolysis because most of the energy stored in a glucose
molecule remains in the bonds of:
A. Carbon dioxide
B. Glucose
C. Water
D. Pyruvate
E. NADH
64. The compound that actually begins the Kreb's cycle is:
A. ATP
B. Glucose
C. Pyruvate forms Acetyl CoA, which enters
D. CO2
E. ATP Synthase
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65. The sole source of ATP production in cells using only fermentation is:
A. Glycolysis
B. Kreb's cycle
C. Photosynthesis
D. Electron transport
E. The Calvin (Carbon) cycle
66. Since the Kreb's cycle is a cyclic pathway the original acceptor needed to start the Kreb's cycle and the end
product of the Kreb's cycle are:
A. Enzymes
B. Different molecules
C. The same molecule
D. ATP molecules
E. NADH and FADH2 respectively
67. The electron transport chain produces a/an _____________ gradient:
A. Electron
B. Proton
C. ATP
D. NADH
E. Oxygen
68. In eukaryotic cells the electron carriers NADH and FADH2 are transported along the:
A. Nuclear membrane
B. Outer mitochondrial membrane
C. Inner mitochondrial membrane
D. Cell membrane
E. Cytoplasm
69. The final "spent" electrons from electron transport in aerobic respiration are transferred to:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. Sulfur
E. Carbon dioxide
70. Cellular respiration is:
A. An oxidation-reduction reaction
B. Used by animals to produce oxygen
C. Used by plants to produce glucose
D. A single-step process
E. Not used by plants
71. The three main biochemical pathways of cellular respiration are:
A. Glycolysis, light reactions, and Calvin cycle
B. Calvin cycle, Kreb's cycle, and light reactions
C. Glycolysis, Kreb's cycle, and electron transport
D. Kreb's cycle, Calvin cycle, and electron transport
E. Light reactions, carbon reactions, and electron transport
72. In Bacterial and Archaeal cells, cellular respiration occurs in the:
A. Cytoplasm and the cell's outer membrane
B. Cytoplasm and nuclear membrane
C. Cytoplasm and mitochondria
D. Cytoplasm and ribosomes
E. Cytoplasm and chloroplasts
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73. In Eukaryote cells the primary organelle that generates molecules of ATP is the:
A. Ribosome
B. Mitochondrion
C. Lysosome
D. Golgi body
E. Chloroplast
74. In all life forms glycolysis occurs in the:
A. Mitochondria
B. Lysosome
C. Nucleus
D. Cytoplasm
E. Cell membrane
75. In Eukaryotes the Kreb's cycle occurs in the:
A. Mitochondria
B. Lysosome
C. Nucleus
D. Cytoplasm
E. Ribosome
76. In Eukaryotes the electron transport system occurs in the:
A. Mitochondria
B. Lysosome
C. Nucleus
D. Cytoplasm
E. Ribosome
77. The products of cellular respiration are:
A. Glucose, water, and ATP
B. Glucose, carbon dioxide, and ATP
C. Oxygen, ATP, and water
D. Carbon dioxide, water, and ATP
E. Carbon dioxide, glucose, and water
78. The reactants for cellular respiration are:
A. Glucose and ATP
B. Water and ATP
C. Oxygen and ATP
D. Carbon dioxide and glucose
E. Glucose and oxygen
79. The area enclosed by the highly folded inner mitochondrial membrane is the:
A. Matrix
B. Cytoplasm
C. Nucleus
D. Outer membrane
E. Endoplasmic reticulum
80. Alcoholic fermentation:
A. Can not be performed by yeasts
B. Produces far more ATP than aerobic respiration
C. Produces ethanol
D. Produces oxygen
E. Uses the Kreb’s Cycle
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81. An example of a poison that kills by interfering with ATP production is:
A. DDT
B. Carbon dioxide
C. Cyanide
D. Nicotine
E. Ethanol
82. Photosystem II produces:
A. ATP
B. NADPH
C. Glucose
D. Carbon dioxide
E. Sunlight
83. Photosystem I produces:
A. ATP
B. NADPH
C. Glucose
D. Carbon dioxide
E. Sunlight
84. Photo system I and photo system II are respectively part of:
A. The light reactions and the carbon (Calvin cycle) reactions
B. The light-independent reactions and the carbon (Calvin cycle) reactions
C. The light reactions only
D. The carbon (Calvin cycle) reactions only
E. The Calvin cycle and the Hobbes reaction
85. A membrane studded with photosynthetic pigments in plant cells is the:
A. Chloroplast
B. Chlorophyll
C. Granum
D. Thylakoid
E. Stroma
86. The two stages of photosynthesis are:
A. The light reactions and the carbon (Calvin cycle) reactions
B. The light-independent reactions and the carbon (Calvin cycle) reactions
C. The light reactions only
D. The carbon (Calvin cycle) reactions only
E. The Calvin cycle and the Hobbes reaction
87. Leaves appear green because:
A. Most of the wavelengths of green light are absorbed by chlorophyll
B. Most of the wavelengths of green light are absorbed by carotenoids
C. Most of the wavelengths of green light are reflected by chlorophyll
D. Most of the wavelengths of green light are reflected by carotenoids
E. That’s the only wavelength we can detect
88. The energy sources needed for the light reactions and the carbon reactions respectively are:
A. Sunlight and carbon dioxide
B. ATP and carbon dioxide
C. Sunlight and ATP
D. ATP and sunlight
E. Sunlight serves as the energy source for both sets of photosynthetic reactions
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89. What is released at each step in an electron transport chain?
A. Water
B. Photons
C. Ultraviolet wavelengths
D. Energy
E. Nothing
90. The Calvin cycle (carbon reactions):
A. Fixes carbon molecules from CO2 into glucose
B. Is a branched chain pathway
C. Is a linear pathway
D. Does not use the enzyme rubisco
E. Occurs in all animal cells
91. Rubisco combines the intermediate compound Ribulose biphosphate with carbon from:
A. ATP
B. Carbon dioxide
C. Carbon monoxide
D. NADPH
E. Glucose
92. Photosynthesis:
A. Is not an oxidation-reduction reaction
B. Is a process that produces glucose and oxygen
C. Is a process that produces water and carbon dioxide
D. Is not dependent on chlorophyll
E. Only occurs in plants
93. The reactant (reactants) of photosynthesis is (are):
A. Oxygen
B. Water and carbon dioxide
C. Chlorophyll
D. Glucose
E. Sunlight
94. The primary pigment needed for photosynthesis is:
A. Oxygen
B. Carbon dioxide
C. Chlorophyll a
D. Glucose
E. Sunlight
95. The energy source for the process of photosynthesis is:
A. Oxygen
B. Carbon dioxide
C. Chlorophyll
D. Glucose
E. Sunlight
96. Organisms that consume preexisting organic molecules are called:
A. Autotrophs
B. Animorphs
C. Heterotrophs
D. Plants
E. Scavengers
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97. Organisms that make their own organic compounds from inorganic substances are called:
A. Autotrophs
B. Animorphs
C. Heterotrophs
D. Animals
E. Scavengers
98. The organelle that carries out photosynthesis in plants is the:
A. Mitochondria
B. Chloroplast
C. Ribosome
D. Chlorophyll
E. Lysosome
99. The main product of the carbon reactions is:
A. NADPH
B. Carbon dioxide
C. Oxygen
D. ATP
E. Glucose
100. C3 plants:
A.
B.
C.
D.
E.
Account for very few of all plant species
Use only the Calvin cycle (carbon reactions) to fix carbon
Are at an advantage when growing in hot, dry climates compared to C4 plants
Are incredibly efficient because they avoid photorespiration
Spatially or temporally separate the light reactions from the Calvin cycle (carbon reactions)
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Organismal Biology Section One Exam Key
1.
The atomic number of an atom or element is:
A.
B.
C.
D.
E.
The number of neutrons in the nucleus
The number of electrons in the nucleus
The number of protons in the nucleus
The number of neutrons in the orbitals
The number of protons in the orbitals
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #4
Question Type: Conceptual
2.
The mass number of an atom is defined as:
A.
B.
C.
D.
E.
The total number of protons, neutrons and electrons of an atom
The total number of protons and electrons of an atom
The total number of protons and neutrons of an atom
The total number of neutrons and electrons of an atom
The total number of protons of an atom
Difficulty Level: Low
Hoefnagels - Chapter 02 #6
Question Type: Knowledge
3.
An acid:
A.
B.
C.
D.
E.
Is a chemical that takes hydrogen ions from a solution
Has a value of seven on the pH scale
Is a chemical that adds hydrogen ions to a solution
Has a value above seven on the pH scale
Both C and D are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #22
Question Type: Conceptual
4.
A base:
A.
B.
C.
D.
E.
Is a chemical that absorbs hydrogen ions from a solution
Has a value of seven on the pH scale
Is a chemical that adds hydrogen ions to a solution
Is a chemical that adds hydroxyl ions to a solution
Both A and D are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #23
Question Type: Conceptual
1
5.
A covalent bond is a bond:
A.
B.
C.
D.
E.
Formed by atoms of opposite charge attracting one another
Formed by atoms that share electrons
That is a strong bond
Both B and C are correct
Both A and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #12
Question Type: Application
6.
If a covalent bond is polar:
A.
B.
C.
D.
E.
Electrons are not shared by atoms
Protons are shared by atoms
One of the atoms has a partial negative charge
The bond is not important to living cells
The bond is not a strong bond
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #16
Question Type: Conceptual
7.
An ionic bond is a bond:
A.
B.
C.
D.
E.
Formed by atoms of opposite charge attracting one another
Formed by atoms that share electrons
Is a bond pulled apart by water molecules
Both B and C are correct
Both A and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 02 #13
Question Type: Application
8.
An ion is:
A.
B.
C.
D.
E.
An atom that has gained electrons
An atom that has a positive charge
An atom that has lost electrons
An atom that has a negative charge
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 02 #5
Question Type: Knowledge
9.
A hydrogen bond:
A.
B.
C.
D.
E.
Is a strong bond
May occur between molecules
Does not occur within a molecule
Is not important to living cells
Usually has a hydrogen atom with a partial negative charge
Difficulty Level: High
Hoefnagels - Chapter 02 #17
Question Type: Conceptual
2
10.
Organic molecules are defined as chemical compounds that contain:
A.
B.
C.
D.
E.
Carbon
Carbon and oxygen
Carbon and nitrogen
Carbon and hydrogen
Carbon, hydrogen and nitrogen
Difficulty Level: Low
Hoefnagels - Chapter 02 #29
Question Type: Knowledge
11.
The four major groups of organic compounds are:
A.
B.
C.
D.
E.
Fats, waxes, carbohydrates and amino acids
Carbohydrates, lipids, proteins and nucleic acids
Carbohydrates, lipids, steroids and monosaccharides
Lipids, fats, waxes and steroids
Carbohydrates, proteins, amino acids and nucleic acids
Difficulty Level: Low
Hoefnagels - Chapter 02 #30
Question Type: Knowledge
12.
A process by which cells break polymers down into smaller units is:
A.
B.
C.
D.
E.
Dehydration synthesis
Hydrolysis
Condensation
Reproduction
Both A and C are correct
Difficulty Level: Low
Hoefnagels - Chapter 02 #32
Question Type: Knowledge
13.
Examples of monosaccharides are:
A.
B.
C.
D.
E.
Glucose, galactose and fructose
Glucose, maltose and cellulose
Glucose, lactose and maltose
Glucose, lactose and cellulose
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 02 #33
Question Type: Knowledge
14.
Which is not a lipid?
A.
B.
C.
D.
E.
A triglyceride
A phospholipid
A starch molecule
A wax
A sterol
Difficulty Level: Low
Hoefnagels - Chapter 02 #34
Question Type: Knowledge
3
15.
A phospholipid molecule:
A.
B.
C.
D.
E.
Has a hydrophilic head that is repelled by water
Has hydrophilic tails that are repelled by water
Has a hydrophilic head that is attracted to water
Has a hydrophobic head that is repelled by water
Has hydrophobic tails that are attracted to water
Difficulty Level: High
Hoefnagels - Chapter 03 #10
Question Type: Comprehension
16.
A peptide bond:
A.
B.
C.
D.
E.
Is a covalent bond
Is an ionic bond
Is a strong bong
Both A and C are correct
Both B and C are correct
Difficulty Level: Low
Hoefnagels - Chapter 02 #37
Question Type: Knowledge
17.
The primary building block (monomer) of proteins is:
A.
B.
C.
D.
E.
A glucose molecule
A fatty acid
A nucleotide
An amino acid
Four interconnected rings
Difficulty Level: Low
Hoefnagels - Chapter 02 #35
Question Type: Knowledge
18.
The primary building block (monomer) of nucleic acids is:
A.
B.
C.
D.
E.
A glucose molecule
A fatty acid
A nucleotide
An amino acid
Four interconnected rings
Difficulty Level: Low
Hoefnagels - Chapter 02 #38
Question Type: Knowledge
19.
The four nitrogen bases found in RNA are:
A.
B.
C.
D.
E.
Adenine, thymine, guanine and uracil
Adenine, thymine, cytosine and uracil
Thymine, cytosine, guanine and uracil
Adenine, cytosine, guanine and uracil
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 02 #40
Question Type: Knowledge
4
20.
The original three tenets of the cell theory are:
A. All organisms have DNA, DNA is the fundamental unit of life and all cells come from preexisting cells
B. All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells come from
preexisting cells
C. All organisms have DNA, all organisms are made of cells and all cells produce proteins
D. All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells have a
nucleus
E. All organisms are made of one or more cells, all cells contain DNA and all cells come from preexisting cells
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #7
Question Type: Knowledge
21.
The primary structural component of a cell membrane is:
A.
B.
C.
D.
E.
A phospholipid molecule
A protein molecule
A cholesterol molecule
An enzyme
A sugar molecule attached to a protein
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #9
Question Type: Knowledge
22.
The primary function of a protein within the cell membrane structure is not:
A.
B.
C.
D.
E.
Transport of molecules out of the cell
Recognition of an organisms own cells
To enable cells to adhere to one another
Receiving chemical signals
Carrying out the process of cellular reproduction
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #12
Question Type: Comprehension
23.
Signal transduction is a process:
A.
B.
C.
D.
E.
Involving a transport protein and a first and second messenger
Involving a receptor protein and a first and second messenger
That usually activates genes or enzymes
Both A and C are correct
Both B and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #13
Question Type: Comprehension
5
24.
A eukaryotic cell:
A.
B.
C.
D.
E.
Has membrane-bounded organelles
Has a cell wall with peptidoglycan
Is usually smaller than a prokaryotic cell
Does not have membrane-bounded organelles
Does not usually have a nucleus
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #16
Question Type: Application
25.
The three domains in the Woese system of classification are:
A.
B.
C.
D.
E.
Monera, Bacteria and Eukarya
Archaea, Bacteria and Eukarya
Fungi, Protista and Animalia
Archaea, Eukarya and Protista
Monera, Bacteria and Eukarya
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #17
Question Type: Knowledge
26.
The theory of endosymbiosis is strengthened by the fact(s) that:
A.
B.
C.
D.
E.
The knowledge that chloroplasts have their own DNA very similar to bacterial DNA
The knowledge that ribosomes are structures found in bacteria, plants and animals
The knowledge that mitochondria have their own DNA very similar to bacterial DNA
Both A and C are correct
Both B and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #23
Question Type: Comprehension
27.
The rough or smooth endoplasmic reticulum do not:
A.
B.
C.
D.
E.
Produce proteins
Produce mRNA
Produce lipids
Detoxify poisons
Form vesicles for transport to the Golgi apparatus
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #27
Question Type: Application
28.
The Golgi apparatus is not:
A.
B.
C.
D.
E.
Studded with ribosomes
An organelle
A processing center
Is not a stack of membrane enclosed sacs
Involved with secretion of cellular substances
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #28
Question Type: Comprehension
6
29.
Chloroplasts are not:
A.
B.
C.
D.
E.
Glucose factories
Found in plants
Organelles that carry out photosynthesis
Found in members of the kingdom protista
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #31
Question Type: Application
30.
Mitochondria do not:
A.
B.
C.
D.
E.
Have their own DNA
Extract energy from nutrients
Carry out photosynthesis
Have two membrane layers
Have cristae
Difficulty Level: Moderate
Hoefnagels - Chapter 03 #32
Question Type: Application
31.
A cell membrane is not:
A.
B.
C.
D.
E.
A fluid structure
A mosaic structure
A bilayered structure
A rigid structure
Composed of phospholipid molecules
Difficulty Level: Low
Hoefnagels - Chapter 03 #11
Question Type: Knowledge
32.
The cell wall of bacteria:
A.
B.
C.
D.
E.
Helps prevent the cell from bursting
Protects the cell
Contains peptidoglycan
Gives the bacterium a distinctive shape
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 03 #19
Question Type: Knowledge
33.
Many members of Archaea are referred to as extremeophiles because they live in conditions of extreme:
A.
B.
C.
D.
E.
Temperature
Salinity
Heat
All of the above are correct
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 03 #22
Question Type: Knowledge
7
34.
Which of the following are cellular digestion centers?
A.
B.
C.
D.
E.
Peroxisomes and ribosomes
Ribosomes and chloroplasts
Chloroplasts and ribosomes
Lysosomes and peroxisomes
Lysosomes and Golgi apparatus
Difficulty Level: Low
Hoefnagels - Chapter 03 #30
Question Type: Knowledge
35.
A cytoskeleton is:
A.
B.
C.
D.
E.
Found in the cytoplasm of eukaryotic cells
A system of tracks used for transport
A structure that aids in the process of cell division
Composed of microtubules and microfilaments
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 03 #36
Question Type: Application
36.
Phagocytosis is:
A.
B.
C.
D.
E.
An example of exocytosis
An example of endocytosis
Used by white blood cells to destroy disease causing agents
Both B and C are correct
Both A and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #44
Question Type: Application
37.
Living organisms can remain organized because they:
A.
B.
C.
D.
E.
Are a closed system
Utilize energy from other sources
Utilize matter from other sources
Both B and C are correct
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #7
Question Type: Application
38.
Coupled reactions:
A.
B.
C.
D.
E.
Occur simultaneously
Occur in the same place in the cell
Are reactions in which a hydrolytic exergonic reaction drives an endergonic reaction
All of the above are correct
Both A and B are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #21
Question Type: Comprehension
8
39.
An enzyme:
A.
B.
C.
D.
E.
Is a protein
Is not catalytic
Is not necessary to sustain life in a cell
Both A and B are correct
Both A and C are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #24
Question Type: Knowledge
40.
Enzymes speed chemical reactions by:
A.
B.
C.
D.
E.
Lowering the amount of reactants that are needed
Maintaining chemical equilibrium
Lowering the energy required to start a chemical reaction
Raising the temperature of the surroundings
By supplying energy to the reaction process
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #25
Question Type: Comprehension
41.
An active site:
A.
B.
C.
D.
E.
Is a location on an enzyme
Can accept only a single molecule
Is the key to the specificity of an enzymatic reaction
Both A and B are correct answers
Both A and C are correct answers
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #26
Question Type: Comprehension
42.
The molecule (molecules) that fits into the active site of an enzyme and reacts with the enzyme is:
A.
B.
C.
D.
E.
Always a protein
Called a substrate
Called an analog
Always a carbohydrate
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #27
Question Type: Knowledge
43.
Competitive inhibition of enzymes:
A.
B.
C.
D.
E.
Occurs when a substance binds to an enzyme at a site away from the active site
Is used to regulate biochemical pathways in cells
Occurs when a substance other than the substrate binds at the active site of an enzyme
Both B and C are correct
Both A and B are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #33
Question Type: Comprehension
9
44.
Noncompetitive inhibition of enzymes:
A.
B.
C.
D.
E.
Occurs when a substance binds to an enzyme at a site away from the active site
Is used to regulate biochemical pathways in cells
Occurs when a substance other than the substrate binds at the active site of an enzyme
Both B and C are correct
Both A and B are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #34
Question Type: Comprehension
45.
Simple diffusion:
A.
B.
C.
D.
E.
Does not require energy
Requires energy
Utilizes proteins to move molecules across a membrane
Moves molecules against a concentration gradient
Is not helpful to living cells
Difficulty Level: Low
Hoefnagels - Chapter 04 #36
Question Type: Knowledge
46.
The diffusion of water across a selectively permeable (biological) membrane is:
A.
B.
C.
D.
E.
Facilitated diffusion
Active transport
Osmosis
A rare occurrence
Always beneficial to a cell
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #37
Question Type: Comprehension
47.
If a cell has a 95% concentration of water in its cytoplasm and the environment surrounding the cell has a 90%
concentration of water:
A.
B.
C.
D.
E.
Water will flow out of the cell by osmosis
Water will flow into the cell by osmosis
The cell is in a hypertonic environment
Both A and C are correct
Both B and C are correct
Difficulty Level: High
Hoefnagels - Chapter 04 #40
Question Type: Comprehension
48.
In which type of metabolic pathway is the product of the last reaction also the starting material of the first?
A.
B.
C.
D.
E.
A straight chain
A cycle
A branched chain
All of the above are correct
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #9
Question Type: Comprehension
10
49.
Oxidation-reduction reactions:
A.
B.
C.
D.
E.
Are not used by living cells
Transfer protons from one molecule to another
Reduce the amount of oxygen in the cell
Increase the amount of oxygen in the cell
Transfer electrons from one molecule to another
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #16
Question Type: Knowledge
50.
Oxidation means:
A.
B.
C.
D.
E.
The gain of oxygen by a cell
The loss of oxygen by a cell
The gain of electrons by a molecule
The loss of electrons from a molecule
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #17
Question Type: Knowledge
51.
Reduction means:
A.
B.
C.
D.
E.
The gain of oxygen by a cell
The loss of oxygen from a cell
The gain of electrons by a molecule
The loss of electrons by a molecule
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 04 #18
Question Type: Knowledge
52.
The process of phosphorylation:
A.
B.
C.
D.
E.
Releases a phosphate group from one molecule
Adds a phosphate group to a molecule
May change the shape of the target molecule
May energize the target molecule
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #23
Question Type: Comprehension
53.
Active transport is different from simple diffusion in that active transport:
A.
B.
C.
D.
E.
Requires energy
Moves molecules against a concentration gradient
Requires proteins embedded within the cell membrane
Moves molecules from an area of lower concentration to an area of higher concentration
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #43
Question Type: Knowledge
11
54.
Which of the following is not an example of kinetic energy?
A.
B.
C.
D.
E.
The energy in chemical bonds
Heat
Light
Sound
Random molecular movement
Difficulty Level: Low
Hoefnagels - Chapter 04 #5
Question Type: Knowledge
55.
Entropy is:
A.
B.
C.
D.
E.
Order
Complexity
Disorder
Both A and C are correct
Both B and C are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #6
Question Type: Knowledge
56.
Sucrose is a disaccharide consisting of the monosaccharides:
A.
B.
C.
D.
E.
Glucose and glucose
Galactose and fructose
Fructose and glucose
Glucose and galactose
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #10
Question Type: Knowledge
57.
ATP is:
A.
B.
C.
D.
E.
Adenosine triphosphate
Stores energy temporarily in cells
Holds energy released from exergonic reactions and applies that energy to endergonic reactions
Contains the sugar ribose
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 04 #20
Question Type: Knowledge
58.
During glycolysis molecules of glucose are:
A.
B.
C.
D.
E.
Broken down into three molecules of pyruvate
Put together to form two molecules of pyruvate
Broken down to form two molecules of pyruvate
Put together to form three molecules of pyruvate
Broken down and the carbon atoms liberated as CO2
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #7
Question Type: Knowledge
12
59.
The electrons that are transferred during cellular respiration are carried in the molecules:
A.
B.
C.
D.
E.
NADP and FADH2
NADH and NADP
NADH2 and Glucose
NADP and Glucose
NADH and FADH2
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #10
Question Type: Knowledge
60.
The enzyme that forms a channel in the inner membrane of the mitochondria and phosphorylates ADP is:
A.
B.
C.
D.
E.
NADH Synthase
FADH2 Synthase
ATP Synthase
ADP Synthase
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #15
Question Type: Knowledge
61.
Glycolysis does not require:
A.
B.
C.
D.
E.
ATP
Oxygen
Glucose
Enzymes
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #23
Question Type: Comprehension
62.
If a high-energy "donor" molecule physically transfers a phosphate group to ADP, this is called:
A.
B.
C.
D.
E.
Substrate-level phosphorylation
Photosynthesis
Oxidative phosphorylation
Electron transport
Glycolysis
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #28
Question Type: Comprehension
63.
Only a small amount of ATP is produced during glycolysis because most of the energy stored in a glucose
molecule remains in the bonds of:
A.
B.
C.
D.
E.
Carbon dioxide
NADH
PGAL
Pyruvate
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #31
Question Type: Comprehension
13
64.
The compound that actually begins the Kreb's cycle is:
A.
B.
C.
D.
E.
ATP
Acetyl CoA
Pyruvate
PGAL
ATP Synthase
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #32
Question Type: Knowledge
65.
The sole source of ATP production in cells using fermentation only is:
A.
B.
C.
D.
E.
Glycolysis
Kreb's cycle
Photosynthesis
Electron transport
The Calvin cycle
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #33
Question Type: Knowledge
66.
Since the Kreb's cycle is a cyclic pathway the original acceptor needed to start the Kreb's cycle and the end
product of the Kreb's cycle are:
A.
B.
C.
D.
E.
Enzymes
Different molecules
The same molecule
ATP molecules
NADH and FADH2 respectively
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #36
Question Type: Application
67.
The electron transport chain produces a/an _____________ gradient:
A.
B.
C.
D.
E.
Electron
Proton
ATP
NADH
Oxygen
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #39
Question Type: Knowledge
68.
In eukaryotic cells NADH and FADH2 are transported along electron carriers of the:
A.
B.
C.
D.
E.
Matrix
Outer mitochondrial membrane
Inner mitochondrial membrane
Cell membrane
Cytoplasm
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #22
Question Type: Knowledge
14
69.
The "spent" electrons from electron transport in aerobic respiration are transferred to:
A.
B.
C.
D.
E.
Nitrogen
Oxygen
Hydrogen
Sulfur
Carbon dioxide
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #14
Question Type: Knowledge
70.
Cellular respiration is:
A.
B.
C.
D.
E.
An oxidation-reduction reaction
Used by animals to produce ATP
Used by plants to produce ATP
Is a multi-step process
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 06 #4
Question Type: Knowledge
71.
The three main biochemical pathways of cellular respiration are:
A.
B.
C.
D.
E.
Glycolysis, light reactions and Calvin cycle
Calvin cycle, Kreb's cycle and light reactions
Glycolysis, Kreb's cycle and electron transport
Kreb's cycle, Calvin cycle and electron transport
Light reactions, carbon reactions and electron transport
Difficulty Level: Low
Hoefnagels - Chapter 06 #9
Question Type: Knowledge
72.
In prokaryotic cells, cellular respiration occurs in the:
A.
B.
C.
D.
E.
Cytoplasm
Cell's outer membrane
Mitochondria
Both A and B are correct
Both A and C are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 06 #20
Question Type: Knowledge
73.
In animal cells the primary organelle that generates molecules of ATP is the:
A.
B.
C.
D.
E.
Ribosome
Mitochondrion
Lysosome
Golgi body
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 06 #3
Question Type: Knowledge
15
74.
Glycolysis occurs in the:
A.
B.
C.
D.
E.
Mitochondria
Lysosome
Nucleus
Cytoplasm
Cell membrane
Difficulty Level: Low
Hoefnagels - Chapter 06 #11
Question Type: Knowledge
75.
The Kreb's cycle occurs in the:
A.
B.
C.
D.
E.
Mitochondria
Lysosome
Nucleus
Cytoplasm
Ribosome
Difficulty Level: Low
Hoefnagels - Chapter 06 #12
Question Type: Knowledge
76.
The electron transport system occurs in the:
A.
B.
C.
D.
E.
Mitochondria
Lysosome
Nucleus
Cytoplasm
Ribosome
Difficulty Level: Low
Hoefnagels - Chapter 06 #13
Question Type: Knowledge
77.
The products of cellular respiration are:
A.
B.
C.
D.
E.
Glucose, water and ATP
Glucose, carbon dioxide and ATP
Oxygen, ATP and water
Carbon dioxide, water and ATP
Carbon dioxide, glucose and water
Difficulty Level: Low
Hoefnagels - Chapter 06 #16
Question Type: Knowledge
78.
The reactants for cellular respiration are:
A.
B.
C.
D.
E.
Glucose and ATP
Water and ATP
Oxygen and ATP
Carbon dioxide and glucose
Glucose and oxygen
Difficulty Level: Low
Hoefnagels - Chapter 06 #17
Question Type: Knowledge
16
79.
The area enclosed by the highly folded inner mitochondrial membrane is the:
A.
B.
C.
D.
E.
Matrix
Cytoplasm
Nucleus
Outer membrane
Both A and B are correct
Difficulty Level: Low
Hoefnagels - Chapter 06 #21
Question Type: Knowledge
80.
Alcoholic fermentation:
A.
B.
C.
D.
E.
Is carried out by yeasts
Produces far less ATP than aerobic respiration
Produces ethanol
Produces carbon dioxide
All of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 06 #43
Question Type: Knowledge
81.
An example of a poison that kills by interfering with ATP production is:
A.
B.
C.
D.
E.
Arsenic
Carbon monoxide
Cyanide
All of the above are correct
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 06 #40
Question Type: Knowledge
82.
Photosystem II produces:
A.
B.
C.
D.
E.
ATP
NADPH
Glucose
Both B and C are correct
None of the above are correct
Difficulty Level: High
Hoefnagels - Chapter 05 #31
Question Type: Comprehension
83.
Photosystem I produces:
A.
B.
C.
D.
E.
ATP
NADPH
Glucose
Both A and C are correct
None of the above are correct
Difficulty Level: High
Hoefnagels - Chapter 05 #32
Question Type: Comprehension
17
84.
Photo system I and photo system II are respectively part of:
A.
B.
C.
D.
E.
The light reactions and the carbon reactions
The carbon reaction and the light reactions
The light reactions only
The carbon reactions only
None of the above are correct
Difficulty Level: High
Hoefnagels - Chapter 05 #33
Question Type: Comprehension
85.
A membrane studded with photosynthetic pigments in plant cells is the:
A.
B.
C.
D.
E.
Chloroplast
Chlorophyll
Granum
Thylakoid
Stroma
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #23
Question Type: Knowledge
86.
The two stages of photosynthesis are:
A.
B.
C.
D.
E.
The light reactions and the carbon reactions
The light reactions and the light-independent reactions
The light-independent reactions and the carbon reactions
Both A and B are correct
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #26
Question Type: Comprehension
87.
Leaves appear green because:
A.
B.
C.
D.
E.
Most of the wavelengths of green light are absorbed by chlorophyll a
Most of the wavelengths of green light are absorbed by carotenoids
Most of the wavelengths of green light are absorbed by chlorophyll b
All of the above are correct
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #28
Question Type: Comprehension
88.
The energy sources needed for the light reactions and the carbon reactions respectively are:
A.
B.
C.
D.
E.
Sunlight and carbon dioxide
ATP and carbon dioxide
Sunlight and ATP
ATP and sunlight
Sunlight serves as the energy source for both sets of photosynthetic reactions
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #29
Question Type: Comprehension
18
89.
What is released at each step in an electron transport chain?
A.
B.
C.
D.
E.
Electrons
Photons
Ultraviolet wavelengths
Energy
All of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #30
Question Type: Comprehension
90.
The Calvin Cycle:
A.
B.
C.
D.
E.
Produces three carbon molecules from CO2
Is a branched chain pathway
Is a cyclic pathway
Both A and C are correct
Both A and B are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #37
Question Type: Comprehension
91.
Rubisco combines Ribulose biphosphate with carbon from:
A.
B.
C.
D.
E.
ATP
Carbon dioxide
Carbon monoxide
Organic compounds
None of the above are correct
Difficulty Level: Moderate
Hoefnagels - Chapter 05 #38
Question Type: Comprehension
92.
Photosynthesis:
A.
B.
C.
D.
E.
Is not an oxidation-reduction reaction
Is a process which produces glucose and oxygen
Is a process which produces water and carbon dioxide
Is not dependent on chlorophyll
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 05 #2
Question Type: Knowledge
93.
The reactant (reactants) of photosynthesis is (are):
A.
B.
C.
D.
E.
Oxygen
Water and carbon dioxide
Chlorophyll
Glucose
Sunlight
Difficulty Level: Low
Hoefnagels - Chapter 05 #4
Question Type: Knowledge
19
94.
The primary pigment needed for photosynthesis is:
A.
B.
C.
D.
E.
Oxygen
Carbon dioxide
Chlorophyll a
Glucose
Sunlight
Difficulty Level: Low
Hoefnagels - Chapter 05 #7
Question Type: Knowledge
95.
The energy source for the process of photosynthesis is:
A.
B.
C.
D.
E.
Oxygen
Carbon dioxide
Chlorophyll
Glucose
Sunlight
Difficulty Level: Low
Hoefnagels - Chapter 05 #8
Question Type: Knowledge
96.
Organisms that consume preexisting organic molecules are called:
A.
B.
C.
D.
E.
Autotrophs
Animorphs
Heterotrophs
Plants
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 05 #11
Question Type: Knowledge
97.
Organisms that make their own organic compounds from inorganic substances are called:
A.
B.
C.
D.
E.
Autotrophs
Animorphs
Heterotrophs
Animals
None of the above are correct
Difficulty Level: Low
Hoefnagels - Chapter 05 #12
Question Type: Knowledge
98.
The organelle that carries out photosynthesis in plants is the:
A.
B.
C.
D.
E.
Mitochondria
Chloroplast
Ribosome
Chlorophyll
Lysosome
Difficulty Level: Low
Hoefnagels - Chapter 05 #22
Question Type: Knowledge
20
99.
The main product of the carbon reactions is:
A.
B.
C.
D.
E.
NADPH
Carbon dioxide
Oxygen
ATP
Glucose
Difficulty Level: Low
Hoefnagels - Chapter 05 #35
Question Type: Knowledge
100.
C3 plants:
A.
B.
C.
D.
E.
Account for about 95% of all plant species
Use only the Calvin cycle to fix carbon
Are at an advantage when growing in hot, dry climates to C4 plants
All of the above are correct
Only A and B are correct
Difficulty Level: High
Hoefnagels - Chapter 05 #39
Question Type: Comprehension
21
Organismal Biology Section One Exam Summary
Category
# of Questio
ns
Difficulty Level: High
7
Difficulty Level: Low
44
Difficulty Level: Moderate
49
Hoefnagels - Chapter 02
18
Hoefnagels - Chapter 03
17
Hoefnagels - Chapter 04
22
Hoefnagels - Chapter 05
19
Hoefnagels - Chapter 06
24
Question Type: Applicatio
n
10
Question Type: Compreh
ension
27
Question Type: Conceptu
al
5
Question Type: Knowledg
e
58
1