Multiple Choice (Value 20) + 2 bonus
Identify the choice that best completes the statement or answers
the question.
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1.
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As a cell becomes larger, its
a. | volume increases faster than its surface area. | b. | surface area
increases faster than its volume. | c. | volume increases, but its surface area stays
the same. | d. | surface area stays the same, but its volume
increases. |
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2.
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As a cell grows, it
a. | places more demands on its DNA. | b. | uses up food and oxygen more
quickly. | c. | has more trouble moving enough materials across its cell
membrane. | d. | all of the above |
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3.
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The rate at which wastes are produced by a cell depends on the
cell’s
a. | ratio of surface area to volume. | c. | volume. | b. | environment. | d. | surface area. |
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4.
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The process by which a cell divides into two daughter cells is called
a. | cell division. | c. | interphase. | b. | metaphase. | d. | mitosis. |
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5.
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Which of the following is NOT a way that cell division solves the problems of
cell growth?
a. | Cell division provides each daughter cell with its own copy of
DNA. | b. | Cell division increases the mass of the original cell. | c. | Cell division
increases the surface area of the original cell. | d. | Cell division reduces the original cell’s
volume. |
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6.
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After cell division, each daughter cell
a. | has a lower surface area/volume ratio than the parent cell. | b. | has a higher surface
area/volume ratio than the parent cell. | c. | has more DNA in its nucleus than the parent
cell. | d. | has less DNA in its nucleus than the parent cell. |
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7.
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Which of the following is a phase in the cell cycle?
a. | G1 phase | c. | M phase | b. | G2 phase | d. | all of the
above |
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8.
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Which pair is correct?
a. | G1 phase, DNA replication | c. | S phase, cell
division | b. | G2 phase, preparation for mitosis | d. | M phase, cell
growth |
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9.
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Which of the following is a correct statement about the events of the cell
cycle?
a. | Little happens during the G1 and G2 phases. | b. | DNA replicates
during cytokinesis. | c. | The M phase is usually the longest
phase. | d. | Interphase consists of the G1, S, and G2
phases. |
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Figure
10–1
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10.
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Cell division is represented in Figure 10–1 by the letter
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11.
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The cell cycle is the
a. | series of events that cells go through as they grow and divide. | b. | period of time
between the birth and the death of a cell. | c. | time from prophase until
cytokinesis. | d. | time it takes for one cell to undergo mitosis. |
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Figure
10–2
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12.
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During which phase(s) of mitosis are structures like the one shown in Figure
10–2 visible?
a. | anaphase and prophase | c. | metaphase only | b. | prophase and metaphase | d. | anaphase and
interphase |
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13.
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The first phase of mitosis is called
a. | prophase. | c. | metaphase. | b. | anaphase. | d. | interphase. |
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14.
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What is the role of the spindle during mitosis?
a. | It helps separate the chromosomes. | b. | It breaks down the nuclear
membrane. | c. | It duplicates the DNA. | d. | It makes the chromosomes visible.
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15.
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During normal mitotic cell division, a parent cell having four chromosomes will
produce two daughter cells, each containing
a. | two chromosomes. | c. | eight chromosomes. | b. | four chromosomes. | d. | sixteen
chromosomes. |
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16.
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Right after a bone breaks, cells at the edge of the injury
a. | stop dividing. | b. | begin to divide rapidly. | c. | form a thin layer
over the edge of the injury. | d. | develop a defect in a gene called p53.
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17.
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When cytoplasm from a cell that is undergoing mitosis is injected into a cell
that is in interphase, the second cell
a. | stays in interphase. | c. | stops making cyclin. | b. | enters mitosis. | d. | loses its p53. |
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18.
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In eukaryotic cells, the timing of the cell cycle is regulated by
a. | the centrioles. | c. | the spindle. | b. | cyclins. | d. | all of the
above |
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19.
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Cyclins are a family of closely related proteins that
a. | regulate the cell cycle. | c. | cause cancer. | b. | produce
p53. | d. | work to heal
wounds. |
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20.
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Cancer is a disorder in which some cells have lost the ability to control
their
a. | size. | c. | growth rate. | b. | spindle fibers. | d. | surface area. |
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21.
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Cancer cells form masses of cells called
a. | tumors. | c. | growth factors. | b. | cyclins. | d. | p53. |
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22.
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A cell with a defective p53 gene is likely to
a. | divide normally. | c. | accumulate chromosomal damage. | b. | stop
dividing. | d. | combat
tumors. |
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Modified True/False (Value 10)
Indicate whether the statement is true or false. If false,
change the identified word or phrase to make the statement true.
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23.
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Cell division solves the problem of cell growth by increasing cell
volume. _________________________
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24.
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An imaginary cubic cell with a side length of 10 mm would have a ratio of
surface area to volume of 6 : 10. _________________________
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25.
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Most of a cell’s growth takes place during the  phase of the cell cycle.
_________________________
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26.
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A cell’s chromosomes are replicated during interphase.
_________________________
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27.
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If it takes a cell one hour to undergo mitosis, about 50 minutes of the
time would be spent in prophase. _________________________
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Figure
10–2
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28.
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The structure shown in Figure 10–2 is a replicated chromosome.
_________________________
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29.
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Typically, the longest phase of mitosis is metaphase.
_________________________
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30.
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A cell splits into two daughter cells during telophase.
_________________________
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31.
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Proteins called cyclins help regulate the cell cycle.
_________________________
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32.
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Lack of control over the cell cycle is the cause of all cancers.
______________________________
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