AnswersBiologyCellular Energy and Reproduction

Practice Test Answers

18 verified answers
1
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How does ATP supply energy for cellular activities?

A
by adding a phosphate group to its structure
B
by attaching itself to a glucose molecule
C
by breaking off a phosphate group from its structure
D
by releasing the sugar molecule from its structure
2
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Which statement best summarizes the importance of meiosis to reproduction?

A
It produces gametes that are needed for sexual reproduction.
B
It produces diploid cells that are needed for asexual reproduction.
C
It produces gametes that are needed for asexual reproduction.
D
It produces diploid cells that are needed for sexual reproduction.
3

Why is the Calvin cycle considered a dark reaction?

A
It can proceed in the dark.
B
It occurs only at night.
C
It turns the plant dark green.
D
It requires an absence of light.
4

Which term is correctly paired with its role in the body?

A
ADP – a molecule that releases energy when it forms ATP
B
glycogen – a hormone found in blood that regulates blood glucose levels
C
glucose – a sugar found in blood that can be broken down to produce ATP
D
insulin – a sugar that regulates blood glycogen levels
5

Rapid reproduction is an advantage of which process?

A
sexual reproduction
B
gamete formation
C
chromosome duplication
D
asexual reproduction
6

What prohibits lipids from being a readily available energy source?

A
The conversion of fat to glucose is controlled by insulin.
B
Lipids are only used to create enzymes, hormones, and antibodies.
C
Lipids are structural components, so they are a last-resort energy source.
D
Fat must be broken down into fatty acids before being converted to glucose.
7

Which advance resulted from the development of a culture technique for muscle cells?

A
insulin production
B
smallpox inoculant
C
vitamin E production
D
polio vaccination
8

Which is the final electron acceptor in the electron transport chain of cellular respiration?

A
NADH
B
carbon dioxide
C
oxygen
D
FADH sub 2
9

What is the end result of the eukaryotic cell cycle?

A
no parent cells and two daughter cells
B
one parent cell and two daughter cells
C
two parent cells and one daughter cell
D
one parent cell and one daughter cell
10

If an organism's diploid number is 12, what would be its haploid number?

A
48
B
6
C
24
D
3
11

Which best defines a diploid cell during meiosis?

A
a cell that has half the number of chromosomes as the parent cell
B
a cell that has half the number of chromosomes as the daughter cell
C
a cell that has double the number of chromosomes as the parent cell
D
a cell that has double the number of chromosomes as the daughter cell
12

Which series of diagrams correctly represents the order of mitosis?

A
Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, two chromosome groups inside dotted circular outlines, chromatids separating toward opposite poles, and chromosomes aligned at the center with spindle fibers attached.
B
Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, two chromosome groups inside dotted circular outlines, chromosomes aligned at the center with spindle fibers attached, and chromatids separating toward opposite poles.
C
Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, chromatids separating toward opposite poles, chromosomes aligned at the center with spindle fibers attached, and two chromosome groups inside dotted circular outlines.
D
Image with description Four cell diagrams show stages of mitosis from left to right: chromosomes inside a nucleus, chromosomes aligned at the center with spindle fibers attached, chromatids separating toward opposite poles, and two chromosome groups inside dotted circular outlines.
13

Which part of cell division is different in plant and animal cells?

A
mitosis
B
cytokinesis
C
eukaryotic
D
anaphase
14

Which term identifies a light-absorbing pigment?

A
chlorophyll
B
thylakoid
C
ferredoxin
D
photosystem
15

What is carbon fixation, and how does it relate to photosynthesis?

A
It is the reduction of CO sub 2 , and it occurs during the Calvin cycle.
B
It is the conversion of CO sub 2 into organic compounds, and it forms 3-PGA.
C
It is the production of CO sub 2 during regeneration, and it forms RuBP.
D
It is the absorption of CO 2 from the air, and it occurs during the light-dependent reactions.
16

DNA replication occurs during which phase of the eukaryotic cell cycle?

A
G1 phase
B
S phase
C
M phase
D
G2 phase
17

Which statement describes thylakoids?

A
Glucose is formed here.
B
Only photosystem II functions here.
C
Water molecules are formed here.
D
Photosystems I and II function here.
18

One of the primary advantages of cell culture is the ability to isolate a single type of cell from a multicellular organism. How has this advance changed the study of biology?

A
Scientists can completely avoid using animal or human test subjects during their experiments.
B
Single-type cultures are easier and cheaper to maintain than cultures made of mixed cell types.
C
Cultures with single cell types behave in culture exactly as they would behave in a tissue or organ.
D
Scientists know that any response during an experiment is associated only with that cell type.

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