Pretest Answers

10 verified answers
1
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What is/are the function(s) of the cell cycle?

A
development of positive mutations
B
growth, repair, and reproduction of cells
C
DNA replication
D
prevention of cancer
2
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Which can disrupt the cell cycle?

A
replication
B
G0 phase
C
mutation
D
cancer
3

Which is the main reason cells are replaced in the body?

A
The cells are too large.
B
The cells are inactive.
C
The cells are damaged.
D
The cells are cancerous.
4

Which best describes cancer cells?

A
Cancer cells grow controllably.
B
Cancer cells cannot enter the circulatory system.
C
Cancer cells attach to organs.
D
Cancer cells lose nutrients to healthy cells.
5

What is the function of interphase in the eukaryotic cell cycle?

A
cell growth
B
cell reproduction
C
cell repair
D
cell division
6

Why is a skin graft necessary when cells are damaged by a third-degree burn?

A
to replace damaged nerves
B
to prevent mutations
C
to protect the area from infection
D
to promote the repair of existing cells
7

An error occurs when the DNA of a cell is copied. However, the cell does not divide after the error is detected. Which statement best describes the cell cycle for this cell?

A
An error during the S phase is corrected during the G2 phase.
B
An error during the G1 phase is corrected during the S phase.
C
An error during the S phase is corrected during mitosis.
D
An error during the G1 phase is corrected during the G2 phase.
9

What process is typical of cancer?

A
DNA replication
B
replacement of damaged cells
C
uncontrolled cell division
D
cellular death
10

At which point in the eukaryotic cell cycle does mitosis occur?

A
before the G1 phase
B
after the G2 phase
C
following the S phase
D
after the G0 phase

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