Name
10
Class
Cell Growth and Division
Date
Chapter Test A
Multiple Choice
Write the letter that best answers the question or completes the statement on the line provided.
_____ 1. An advantage of sexual reproduction over asexual reproduction is that sexual reproduction
a. takes less time.
c. provides genetic diversity.
b. requires more time.
d. produces identical offspring.
_____ 2. Which is one advantage of having a cell’s DNA bundled into separate chromosomes?
a. During DNA replication, the number of chromosomes is cut in half.
b. During DNA replication, the number of chromosomes stays the same.
c. During cell division, each daughter cell will get the same number of genes.
d. During cell division, each daughter cell will get a random number of genes.
_____ 3. When during the cell cycle are chromosomes visible?
a. only during interphase
b. only when replicating
c. only during cell division
d. only during the G1 phase
_____ 4. Which event occurs during interphase?
a. The cytoplasm divides.
c. Spindle fibers begin to form.
b. Centrioles duplicate.
d. Centromeres divide.
_____ 5. In Figure 10–1, what role does structure A
play in mitosis?
a. replicate DNA
b. increase cell volume
c. connect to spindle fibers
d. dissolve nuclear envelope
_____ 6. During normal mitotic cell division, a
parent cell that has four chromosomes will
produce two daughter cells, each containing
a. two chromosomes.
b. four chromosomes.
c. eight chromosomes.
d. sixteen chromosomes.
Animal Cell
Figure 10–1
_____ 7. One difference between cell division in plant cells and in animal cells is that plant cells have
a. centrioles.
c. a cell plate.
b. centromeres.
d. chromatin.
_____ 8. When cells are grown in a laboratory, which factor can stop normal cells from dividing?
a. contact with other cells
c. a cut in the skin
b. growth factors
d. injection of cyclin
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_____ 9. Cells grown in a petri dish tend to divide until they form a thin layer covering the bottom of
the dish. If cells are removed from the middle of the dish, the cells divide until they fill the
empty space. What does this experiment show?
a. Cell division is a completely random process.
b. Once cells divide, they can never divide again.
c. The controls on cell growth and division can be turned on and off.
d. There is only a limited amount of DNA available to a given group of cells.
_____ 10. Cancer affects
a. humans only.
b. unicellular organisms only.
c. multicellular organisms only.
d. multicellular and unicellular organisms.
_____ 11. During early development, all cells in the embryo of a multicellular organism are identical.
Later in development, the cells become specialized through a process called
a. apoptosis.
c. differentiation.
b. cytokinesis.
d. interphase.
_____ 12. Why are stem cells important?
a. They have specialized DNA.
b. They are incapable of becoming cancer cells.
c. They have the potential to undergo cell division.
d. They have the potential to develop into other cell types.
_____ 13. Which of the following is a possible future benefit of stem cell research?
a. developing a vaccine for cancer
b. reversing damage from a heart attack
c. generating embryos from nonliving tissue
d. increasing a person’s intelligence quotient
_____ 14. The rate at which wastes are produced by a cell partially depends on the cell’s
a. ratio of surface area to volume. c. volume.
b. type of membrane.
d. surface area.
_____ 15. When during the cell cycle is a cell’s DNA replicated?
a. G1 phase
c. S phase
b. G2 phase
d. M phase
Modified True/False
Indicate whether the statement is true or false. If false, change the underlined word or phrase to make
the statement true.
_____ 16. The structure shown in Figure 10–2 is a replicated
chromosome.
_____ 17. In eukaryotes, the spindle breaks down during prophase
and re-forms during telophase.
Figure 10–2
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Completion
Complete each statement on the line provided.
18. A cell with 5 chromosomes in the G1 phase will have
Date
chromatids in the G2 phase.
19. Look at Figure 10–3. Once structure A has completely
formed, another phase of the cell cycle will start. This
phase will be called
.
20. During normal development, the cells between
toes and fingers die by
,
a process of programmed cell death.
21. Adult skin cells can no longer become other types
of cells because they have already undergone
.
Figure 10–3
22. Harvesting ____________________ stem cells from
a willing donor is not as controversial as harvesting
techniques that involve the destruction of an embryo.
Short Answer
In complete sentences, write the answers to the questions on the lines provided.
23. List two problems that growth causes for cells.
24. Which type of reproduction, sexual or asexual, is best suited for organisms that live in a place
where environmental conditions are stable? Explain.
25. The level of cyclins in a cell increases during the M phase of the cell cycle. What might happen to
a cell if no cyclins were present during the M phase?
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Using Science Skills
Use the diagram below to answer the following questions on the lines provided.
Figure 10–4
26. Interpret Visuals Look at Figure 10–4. Which diagram shows cancer cells? How do you know?
27. Compare and Contrast Explain how cancer cells are different from normal cells. Then, relate
these characteristics to the diagram in Figure 10–4 that shows cancer cells.
28. Predict Look at the cancer cells shown in Figure 10–4. What can happen if these cells are left
untreated?
29. Apply Concepts Explain the role that p53 might have had in the growth and division of the cells
shown in each diagram in Figure 10–4.
30. Problem Solving How might the cancer cells shown in Figure 10–4 be prevented from doing more
harm to the organism they are a part of?
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Essay
Write the answer to each question in the space provided.
31. Relate ratio of surface area to volume to cell growth and cell division.
32. List and describe the main events of the cell cycle. Illustrate your description with a diagram of the
cell cycle.
33. Discuss the relationship between mitosis and cytokinesis. What would be the result if one
happened without the other?
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34. Why are some people opposed to stem cell research, and why do others believe it is unethical to
not pursue such research? What do you think scientists should do concerning these issues?
35. Describe what happens during the four stages of mitosis.
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