BIO 103: Principles of Biology I
Test 2: Chapters 6-8
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1. Energy cannot be created or destroyed. This is known as
a. The first law of thermodynamics
b. The second law of thermodynamics
c. Newtons first law
d. Common sense
e. Energy relativity equation
2. Photosynthesis occurs in what organelle?
a. Nucleus
b. Mitochondria
c. Chloroplast
d. Ribosome
3. Cellular Respiration occurs in what organelle?
a. Nucleus
b. Mitochondria
c. Chloroplast
d. Ribosome
4. Which of the following organisms would you expect to see photosynthesis occurring in?
a. Tree
b. Lion
c. Bear
d. Human
e. Mushroom
5. What is the correct way to right the chemical equation for photosynthesis?
a. 6CO2+H2O+energyC6H12O6+6O2
b. 6CO2+6H2O+energyC6H12O6+6O2
c. 6CO2+6H2O+energyC6H12O6+O2
d. CO2+6H2O+energyC6H12O6+6O2
6. In a chemical reaction the substances that participate are known as
a. Products
b. Participants
c. Reactants
d. Starters
e. First string
Match the following descriptions with the following terms.
a. endergonic
b. exergonic
7. Delta G = negative
b
8. Energy leaves the reaction
b
9. Energy enters the reaction
a
10. Products have more free energy
a
11. Reactants have more free energy
b
12. Delta G = positive
a
13. What is the correct way to right the chemical equation for cellular respiration?
a. 6CO2+H2O C6H12O6+6O2+energy
b. C6H12O6+6O26CO2+6H2O+energy
c. 6CO2+6H2OC6H12O6+O2+energy
d. C6H12O6+6O2 CO2+6H2O+energy
14. All the chemical reactions occurring in a cell is known as …
a. Hydrolysis
b. Catalysis
c. Anabolism
d. Metabolism
e. Cellular synthesis
15. ATP is a nucleotide composed of all but which of the following?
a. Adenosine
b. 2 phosphate groups
c. Ribose
d. 3 phosphate groups
e. Both b and c
16. The energy in an ATP molecule is stored in the ___ phosphate group.
a. first
b. second
c. third
d. none
e. all
17. The loss of electrons is best known as…
a. Reduction
b. Phosphorylation
c. Respiration
d. Oxidation
e. Crenation
Using the correct equation for photosynthesis, label each of the following compounds either (a)
reactants or (b) products.
18. Carbon Dioxide
a
19. Glucose
b
20. Energy
a
21. Water
a
22. Oxygen
b
Using the correct equation for cellular respiration, label each of the following compounds either (a)
reactants or (b) products.
23. Carbon Dioxide
b
24. Water
b
25. Glucose
a
26. Energy
b
27. Oxygen
a
28. ______________ is the energy of motion and _____________ is stored energy and _____________ is
composed of organic molecules.
a. Kinetic energy; chemical energy; potential energy
b. Kinetic energy; potential energy; chemical energy
c. Chemical energy; potential energy; kinetic energy
d. Potential energy; chemical energy; kinetic energy
e. Potential energy; kinetic energy; chemical energy
29. Energy is lost a _______.
a. Water
b. Oxygen
c. Heat
d. Glucose
30. In the diagram below, give all of the reactants.
A
a.
b.
c.
d.
E1
B
E2
C
E3
D
E4
E
A, B, C, D, E, F, G
E1, E2, E3, E4, E5, E6
B, C, D, E, F, G
A, B, C, D, E, F
31. In the diagram from question #38, give all of the products.
a. A, B, C, D, E, F, G
b. E1, E2, E3, E4, E5, E6
c. B, C, D, E, F, G
d. A, B, C, D, E, F
32. In the Diagram from question #38, give all of the enzymes.
a. A, B, C, D, E, F, G
b. E1, E2, E3, E4, E5, E6
c. B, C, D, E, F, G
d. A, B, C, D, E, F
33. Phostosynthetic organisms are heterotrophic.
a. True
b. False
34. Stacks of thylakoids are known as…
a. Chloroplasts
b. Stroma
c. Stomata
d. Grana
E5
F
E6
G
35. When NADP+ is reduced, what has it accepted?
a. 2 electrons
b. One hydrogen atom
c. Both A and B
d. None of the above
36. Oxygen from photosynthesizers, comes from what molecule?
a. Water (H2O)
b. Carbon Dioxide (CO2)
c. Glucose (C6H12O6)
d. None of the above
37. What is the breakdown of glucose called?
a. Glycolysis
b. Prep reaction
c. Citric acid cycle
d. Electron transport chain
38. Glycolysis results in a net gain of how many ATP’s?
a. 1
b. 2
c. 3
d. 4
39. How many ATP’s are invested in the glycolysis process?
a. 1
b. 2
c. 3
d. 4
40. How many total ATP’s are produced during glycolysis?
a. 1
b. 2
c. 3
d. 4
41. 1 molecule of glucose makes how many molecules of pyruvate?
a. 1
b. 2
c. 3
d. 4
42. Fermentation has a net gain of how many ATP’s?
a. 1
b. 2
c. 3
d. 4
43. How many total ATP’s are produced in fermentation?
a. 1
b. 2
c. 3
d. 4
44. The fermentation of glucose in animals produces what two molecules?
a. Lactate; alcohol
b. Lactate; carbon dioxide
c. Alcohol; carbon dioxide
45. The electron transport chain is located in what structure of the mitochondria?
a. Matrix
b. Cristae
c. Inner membrane
d. Outer membrane
46. The prep reaction and the citric acid cycle are located in what structure of the
mitochondria?
a. Matrix
b. Cristae
c. Inner membrane
d. Outer membrane
47. The prep reaction occurs how many times per glucose molecule?
a. 1
b. 2
c. 3
d. 4
48. What molecule carries C2 acetyl group to the citric acid cycle?
a. CoA
b. NADP
c. NAD+
d. NADH
49. For the light dependent reactions to occur, what must be present?
a. Oxygen
b. Water
c. Light
d. All of the above
e. B and c only
50. Which of the following leaves the light dependent reactions and goes to the calvin cycle?
a. NADP+
b. NADPH
c. ATP
d. Both B and C
e. None of the above
51. What is/are the products of the light reactions?
a. CO2
b. Oxygen (O2)
c. Light
d. Carbohydrate
e. ADP and P
52. What are/is the products of the calvin cycle?
a. Carbohydrate
b. NADP+
c. ADP
d. P
e. All of the above
53. Which of the following statements is false?
a. Light travels in waves.
b. Shorter waves have more energy.
c. Oxidation is the loss of elections.
d. There are two photosystems.
e. Carbon dioxide enter the leaf through the stroma.
54. Draw the ATP cycle.