AnswersFirst Semester BiologyCell Cycle

Cell Cycle Answers

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The diagram shows the stages of the eukaryotic cell cycle.Which stage is labeled C in the diagram?

Question illustration
A
M phase
B
G0 phase
C
S phase
D
G2 phase
2
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A mutation occurs that prevents a cell from taking in the glucose that it needs for energy production. What is most likely to happen?

A
A tumor will form.
B
The cell will divide uncontrollably.
C
The cell will die.
D
Nutrients are stolen from normal cells nearby.
3

What is/are the function(s) of the cell cycle?

A
DNA replication
B
development of positive mutations
C
prevention of cancer
D
growth, repair, and reproduction of cells
4

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
5

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.
6

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

A
cell repair
B
cell growth
C
cell reproduction
D
cell division
7

What process is typical of cancer?

A
replacement of damaged cells
B
DNA replication
C
cellular death
D
uncontrolled cell division
8

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

A
to promote the repair of existing cells
B
to protect the area from infection
C
to prevent mutations
D
to replace damaged nerves
9

At which point in the eukaryotic cell cycle does a DNA mutation most likely occur?

A
G1 phase
B
G2 phase
C
S phase
D
M phase
10

The diagram shows the stages of the eukaryotic cell cycle.Which stage is labeled E in the diagram?

Question illustration
A
mitosis
B
interphase
C
S phase
D
G0 phase
11

The table shows the rate of melanoma by gender.Consider the number of males who were diagnosed with melanoma in 2005. What quantity does this number represent?

Question illustration
A
In 2005, 27.99 percent of males were diagnosed with melanoma.
B
In 2005, 27.99 males out of 100 were diagnosed with melanoma.
C
In 2005, 27.99 cases of melanoma were diagnosed in males.
D
In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma.
12

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

A
to promote the repair of existing cells
B
to protect the area from infection
C
to prevent mutations
D
to replace damaged nerves
13

The graph shows the rate of malignant melanoma for the years 1973–2004.Based on the information in the graph, which conclusion can be drawn?

Question illustration
A
Fewer cases of melanoma were reported over time.
B
More women were out in the sun over time.
C
Women use sunscreen about twice as often as men use sunscreen.
D
The rate of malignant melanoma has increased in both men and women.
14

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.

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