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1.
Scientists who have a financial stake in a company are now required to state that when they
do research. This is an example of
!"
ethics in science.
"
financial planning.
"
a new business model.
"
a biotechnology revolution.
"
statistical significance.
A scientist who has a vested interest in the success of a product may not be honest in
evaluating that product. This is an example of ethics in science.
Re f e r e n c e s
Multiple
Choice
1 of 25
Section: 01:05
11/13/19, 12:42 PM
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2.
Jessica is interested in a new vitamin pill her friend recommended. Her friend told her that it
really helped her. Should Jessica accept this type of evidence?
"
Yes
!"
No
No, this is anecdotal, or testimonial evidence, and is not scientifically reliable.
Re f e r e n c e s
Ye s / N o
Section: 01.04
3.
Technology is the application of scientific knowledge to the interests of humans.
!"
"
True
False
Technology, the application of scientific knowledge, offers us ways to improve our lives.
Re f e r e n c e s
Tr u e / F a l s e
2 of 25
Section: 01:05
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4.
The general public needs to have an understanding of science in order to make informed
decisions about the future of our species.
!"
"
True
False
True, the general public needs to have an understanding of science in order to make
informed decisions about the future of our species.
Re f e r e n c e s
Tr u e / F a l s e
Section: 01:05
5.
Humans are part of the biosphere and must live in harmony with it if we are to survive as a
species.
!"
"
True
False
All living things on Earth are part of the biosphere. We are dependent on the rest of the
biosphere and must preserve it.
Re f e r e n c e s
Tr u e / F a l s e
3 of 25
Section: 01.02
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6.
Traditions, beliefs, and values are considered what aspect of human life?
"
!"
communicative
cultural
"
instructional
"
biological
"
chemical
Cultural activities of humans include traditions, beliefs, and values.
Re f e r e n c e s
Multiple
Choice
Section: 01.02
7.
Only humans have a language that allows us to communicate information and experiences
symbolically.
!"
"
True
False
Humans are the only animals with this capacity.
Re f e r e n c e s
Tr u e / F a l s e
4 of 25
Section: 01.02
11/13/19, 12:42 PM
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8.
To make all subjects think they are receiving the same treatment, patients in the control group
can receive a placebo.
!"
"
True
False
A placebo is a treatment that appears to be the same as that administered to the test group
but contains no medication.
Re f e r e n c e s
Tr u e / F a l s e
Section: 01.03
9.
What is the unifying principle of the biological sciences?
"
Technology
"
Anatomy
"
Biochemistry
"
Taxonomy
!"
Evolution
The unifying principle of the biological sciences is evolution.
Re f e r e n c e s
Multiple
Choice
5 of 25
Section: 01.03
11/13/19, 12:42 PM
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10.
Choose the following interest group that should be held most responsible for the future roles
of new scientific technologies.
"
Scientists
"
Politicians
"
Clergy
"
Educators
!"
Everyone
Everyone should be held responsible for the future roles of new scientific technologies.
Re f e r e n c e s
Multiple
Choice
6 of 25
Section: 01:05
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11.
The scientific study of life is called
!"
biology.
"
ecology.
"
anatomy.
"
biochemistry.
"
limnology.
Biology is the study of life.
Re f e r e n c e s
Multiple
Choice
7 of 25
Section: 01.01
11/13/19, 12:42 PM
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12.
Which of the following statements is an objective observation?
"
!"
This milk tastes funny.
This package is larger than that one.
"
I like this picture.
"
This mattress feels hard to me.
"
I think I am going to be sick.
Only the observation that one package is larger than another is objective--it can be
measured. The rest of the statements rely on personal opinion.
Re f e r e n c e s
Multiple
Choice
Section: 01.03
13.
The presence of a buffer in our blood is an example of homeostasis.
!"
"
True
False
A buffer maintains the pH within a normal range which is required for homeostasis.
Re f e r e n c e s
Tr u e / F a l s e
8 of 25
Section: 02.02
11/13/19, 12:42 PM
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14.
In an atom, the number of protons always equals the number
!"
of electrons.
"
of neutrons.
"
of neutrons and protons.
"
of quarks.
"
of neutrinos.
In an atom, the number of protons always equals the number of electrons.
Re f e r e n c e s
Multiple
Choice
9 of 25
Section: 02.01
11/13/19, 12:42 PM
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15.
The atomic number of an atom is determined by the number of
!"
protons.
"
neutrons.
"
electrons.
"
protons and neutrons.
"
protons and electrons.
The atomic number of an atom is determined by the number of protons.
Re f e r e n c e s
Multiple
Choice
Section: 02.01
16.
The primary level of protein structure is composed of amino acids in a linear sequence joined
by peptide bonds.
!"
"
True
False
True. The primary level of protein structure is composed of amino acids in a linear sequence
joined by peptide bonds.
Re f e r e n c e s
Tr u e / F a l s e
10 of 25
Section: 02.06
11/13/19, 12:42 PM
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17.
The function of RNA in the body is to store the genetic information in the nucleus.
"
!"
True
False
The function of DNA is to store genetic information in the nucleus.
Re f e r e n c e s
Tr u e / F a l s e
Section: 02.07
18.
ATP carries energy in the form of high-energy
"
carbohydrate bonds.
"
peptide bonds.
"
lipid bonds.
!"
"
phosphate bonds.
hydrogen bonds
ATP carries energy in the form of high-energy phosphate bonds.
Re f e r e n c e s
Multiple
Choice
11 of 25
Section: 02.07
11/13/19, 12:42 PM
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19.
The monomer unit of a protein is
"
!"
fatty acids.
amino acids.
"
monosaccharides.
"
polysaccharides.
"
nucleic acids.
Proteins are composed of amino acids.
Re f e r e n c e s
Multiple
Choice
Section: 02.06
20.
Radiation can produce both positive and negative effects for humans.
!"
"
True
False
Radiation can be used beneficially but can also harm.
Re f e r e n c e s
Tr u e / F a l s e
12 of 25
Section: 02.01
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21.
Fats are usually of animal origin while oils are usually of plant origin.
!"
"
True
False
Fats, such as lard and butter, are of animal origin, while oils, such as corn oil and soybean oil,
are of plant origin.
Re f e r e n c e s
Tr u e / F a l s e
Section: 02.05
22.
How are fats, phospholipids, and steroids alike?
"
They are all solid at room temperature.
"
They each contain a polar phosphate group.
"
They each contain only 1 fatty acid.
!"
"
They do not dissolve in water.
They all contain at least one carbon ring.
All lipids are insoluble in water.
Re f e r e n c e s
Multiple
Choice
13 of 25
Section: 02.05
11/13/19, 12:42 PM
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23.
William noticed water mysteriously climbing up a capillary tube. This is an example of which
property of water?
"
Frozen water is less dense than liquid water.
"
The temperature of liquid water rises and falls slowly.
!"
Water molecules are cohesive.
"
Water has a high heat of vaporization.
"
Water is a solvent.
Water climbing up a capillary tube is an example of the cohesive nature of water.
Re f e r e n c e s
Multiple
Choice
Section: 02.02
24.
A hydrolysis reaction involves the loss of water.
"
!"
True
False
A hydrolysis reaction involves the addition of water.
Re f e r e n c e s
Tr u e / F a l s e
14 of 25
Section: 02.03
11/13/19, 12:42 PM
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25.
Because bacteria are prokaryotes, they do not have DNA.
"
!"
True
False
Because bacteria are prokaryotes, they do not have a nucleus, but they do have DNA.
Re f e r e n c e s
Tr u e / F a l s e
Section: 03.02
26.
Which of the following can cross the plasma membrane because of its selective permeability?
!"
gases such as oxygen and carbon dioxide
"
ions
"
large, polar molecules
"
large, nonpolar molecules
"
glycoproteins
Gases and non-polar molecules can cross the plasma membrane because of its selective
permeability.
Re f e r e n c e s
Multiple
Choice
15 of 25
Section: 03.03
11/13/19, 12:42 PM
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27.
Which of the following steps in the breakdown of glucose directly requires the use of oxygen?
rev: 06_10_2015_QC_CS-17462
"
glycolysis
"
citric acid cycle
!"
electron transport chain
"
acetyl CoA conversion
"
None of these require oxygen.
Glycolysis is an anaerobic process as it requires no oxygen. While the citric acid cycle and
acetyle CoA conversion take place during aerobic respiration, they do not directly rely on
oxygen. Only the electron transport chain directly relies on oxygen as a terminal electron
acceptor.
Re f e r e n c e s
Multiple
Choice
16 of 25
Section: 03.06
11/13/19, 12:42 PM
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28.
If a cell has a volume of 3nm, what are the surface area and the volume of the cell?
"
24nm2, 8nm 3
"
38nm2, 16nm 3
!"
54nm2, 27nm 3
"
64nm2, 24nm 3
"
18nm 2, 6nm 3
The surface area is 6 x 3 nm x 3 nm or 54nm 2. The volume is 3 nm x 3 nm x 3 nm or 27nm 3.
Re f e r e n c e s
Multiple
Choice
17 of 25
Section: 03.01
11/13/19, 12:42 PM
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29.
Viruses are not made up of cells. According to cell theory, this means what?
"
Viruses can cause disease.
"
Cells come only from pre-existing cells.
"
Cells can be infected by viruses.
!"
"
Viruses are not living.
Cells and viruses are the same thing.
The cell theory states that all living things are made of cells. Therefore, anything not made of
cells is not living.
Re f e r e n c e s
Multiple
Choice
18 of 25
Section: 03.01
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30.
Which of the following does not utilize active transport?
!"
movement of oxygen from the lungs into the blood
"
concentrating iodine ions in the thyroid gland
"
absorbing sugar in the gut
"
water homeostasis in the kidneys
"
movement of sodium and potassium in nerve cells
Oxygen crosses the plasma membrane by simple diffusion. The rest utilize active transport.
Re f e r e n c e s
Multiple
Choice
19 of 25
Section: 03.03
11/13/19, 12:42 PM
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31.
The phospholipid bilayer that surrounds/maintains the integrity of a cell is called a
!"
plasma membrane.
"
Sanger enclosure.
"
hydrophobic membrane.
"
dialysis membrane.
"
mosaic membrane.
The phospholipid bilayer that surrounds/maintains the integrity of a cell is called the plasma
membrane.
Re f e r e n c e s
Multiple
Choice
20 of 25
Section: 03.02
11/13/19, 12:42 PM
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32.
The reason that metabolizing cells are small in size is because
"
!"
cells influence nearby cells to divide.
the surface area of a cell must be able to accomplish nutrient/waste
exchange.
"
cells need to dissipate heat effectively.
"
mitosis occurs before cells reach a certain size.
"
cells need to communicate with adjacent cells.
Cells stay small because the surface area of a cell is important in the exchange of materials.
Re f e r e n c e s
Multiple
Choice
21 of 25
Section: 03.01
11/13/19, 12:42 PM
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33.
What is the obvious dark-stained structure within the nucleus that contains ribosomal RNA
called?
"
!"
nucleus
nucleolus
"
nuclear envelope
"
nucleoplasm
"
endoplasmic reticulum
The nucleolus is an obvious dark-stained, RNA-rich structure housed in the nucleus of
eukaryotic cells.
Re f e r e n c e s
Multiple
Choice
22 of 25
Section: 03.04
11/13/19, 12:42 PM
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34.
Which of the following processes moves large molecules across a membrane in the opposite
direction of the others?
!"
exocytosis
"
phagocytosis
"
pinocytosis
"
receptor-mediated endocytosis
"
endocytosis
Exocytosis moves substances out of the cell, while all the others move substances into the
cell.
Re f e r e n c e s
Multiple
Choice
23 of 25
Section: 03.03
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35.
The first day of football practice was rough on the squad. During practice, the players
complained of cramps and sore muscles. Although, there is evidence to suggest that many
different factors may contribute to this, which of the following is most likely to play a role in the
soreness?
rev: 08_28_2015_QC_CS-21944
"
glucose
"
alcohol
"
carbon dioxide
"
carbon monoxide
!"
lactate
The reason for cramps and sore muscles complaints was that there was a lactate build up in
their muscles due to anaerobic exercise.
Re f e r e n c e s
Multiple
Choice
24 of 25
Section: 03.06
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36.
What cellular organelle is especially abundant in phagocytic white blood cells?
"
nuclei
"
nucleoli
"
Golgi apparati
!"
lysosomes
"
ribosomes
Lysosomes contain hydrolytic enzymes and are particular numerous in phagocytic white
blood cells.
Re f e r e n c e s
Multiple
Choice
Section: 03.04
37.
Describe the cellular organelle or part that you find most interesting, or that you can make a
personal connection to. Explain why this organelle or part is important to you? (4pts)
25 of 25
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