Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Water
moves into a cell placed in a(n) _____ solution. a. | osmotic | c. | hypotonic | b. | hypertonic | d. | isotonic | | | | |
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2.
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Water
moves out of a cell if the cell is placed in a(n) _____ solution. a. | hypertonic | c. | hypotonic | b. | isotonic | d. | passive | | | | |
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3.
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If
cells are placed in a strong sugar solution, water will _____. a. | pass from the
sugar solution to the cells | b. | pass from the cells to the sugar
solution | c. | stay in the cell | d. | pass back and
forth | | |
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4.
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A
cell moves particles from a region of lesser concentration to a region of greater concentration by
_____. a. | facilitated
diffusion | c. | osmosis | b. | passive transport | d. | active transport | | | | |
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5.
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If a
cell is placed in salt water, water leaves the cell by _____. a. | osmosis | c. | active
transport | b. | diffusion | d. | phagocytosis | | | | |
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6.
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Which
of the following is not a form of passive transport? a. | facilitated
diffusion | c. | facilitated
diffusion | b. | endocytosis | d. | osmosis | | | | |
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7.
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The
structure most responsible for maintaining cell homeostasis is the _____. a. | cytoplasm | c. | cell
wall | b. | mitochondrion | d. | plasma
membrane | | | | |
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8.
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The
causes of cancer may include which of the following? a. | environmental
influences | c. | viruses | b. | UV radiation | d. | all of the above | | | | |
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9.
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A
gene is a segment of DNA that controls the production of _____. a. | carbohydrates | c. | centromeres | b. | microtubules | d. | proteins | | | | |
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10.
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Which
of the following monitors a cell's progress from phase to phase during the cell
cycle? a. | a series of
enzymes | c. | lipid
molecules | b. | microtubules | d. | protein molecules | | | | |
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11.
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If
the sides of a cell double in length, its volume increases by _____ times.
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12.
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If
the sides of a cell double in length, its surface area becomes _____ times as large.
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13.
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Which
of the following explains why a cell's size is limited? a. | Volume increases
faster than surface area. | b. | Surface area increases faster than
volume. | c. | Homeostasis is disrupted by a cell that is too
large. | d. | both a and c | | |
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14.
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As a
cell grows, its _____ increases more than its _____. a. | length,
volume | c. | volume, surface
area | b. | width, surface
area | d. | none of
these | | | | |
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15.
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Among
the following, the term that includes the others is _____. a. | interphase | c. | mitosis | b. | nuclear division | d. | cell cycle | | | | |
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16.
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By
the end of prophase, each of the following has occurred except _____. a. | tighter coiling
of the chromosomes | b. | breaking down of the nuclear envelope | c. | disappearing of
the nucleolus | d. | lining up of chromosomes in the cell | | |
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17.
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Unlike plant cells, animal cells contain _____. a. | cell
walls | c. | nucleoli | b. | centrioles | d. | spindles | | | | |
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18.
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The
longest phase of the cell cycle is _____. a. | prophase | c. | metaphase | b. | interphase | d. | mitosis | | | | |
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19.
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A
chromatid is attached to a spindle fiber by the _____. a. | nucleolus | c. | centromere | b. | deep furrow | d. | centriole | | | | |
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20.
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Which
of the following structures is the most complex? a. | cell | c. | organ | b. | organ
system | d. | tissue | | | | |
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21.
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Which
conditions shown in Figure 8-4 might cause a cell to burst?
Figure 8-4
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22.
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What
cell process is responsible for the effect shown in Figure 8-5?
Figure 8-5 a. | active transport | c. | facilitated diffusion | b. | passive
transport | d. | osmosis | | | | |
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23.
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The
chromosomes shown in Figure 8-6 are in which state of mitosis?
Figure 8-6 a. | prophase | c. | anaphase | b. | metaphase | d. | telophase | | | | |
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24.
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What
level of organization is shown in Figure 8-7?
a. | tissue | c. | organ
system | b. | organ | d. | organism | | | | |
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Figure 8-8
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25.
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Which
of the cells depicted in the line graph in Figure 8-8 are most likely cancerous?
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26.
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If
cancer is present, what is the likely explanation for what happened to cells B and
D? a. | they thrived
with the cancerous cells | b. | they were harmed by radiation therapy | c. | they died off on
due to natural causes | d. | they died off because the cancerous cells deprived them of
nutrients | | |
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