Cell Cycle Answers

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Answers:
Label A:G1 phase
Label B:S phase
Label C:G2 phase
Label D:Mitosis
Label E:Interphase
2
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G1 phaseG2 phase✔ S phaseMitosis Label B

A
G1 phase
B
G2 phase
C
✔ S phase
D
Mitosis
3

InterphaseG1 phase✔ G2 phaseS phase Label C

A
Interphase
B
G1 phase
C
✔ G2 phase
D
S phase
4

InterphaseG2 phaseS phase✔ Mitosis Label D

A
Interphase
B
G2 phase
C
S phase
D
✔ Mitosis
5

G1 phaseG2 phaseS phase✔ Interphase Label E

A
G1 phase
B
G2 phase
C
S phase
D
✔ Interphase
6

Identify the stages of the cell cycle using the drop-down menus.Interphase✔ G1 phaseG2 phaseS phase Label A

Answers:
Label A:G1 phase
Label B:S phase
Label C:G2 phase
Label D:Mitosis
Label E:Interphase
9

What is the purpose of the G2 phase of interphase? Check all that apply.

A
to copy DNA
B
to ensure DNA is copied correctly
C
to ensure the cell is the proper size
D
to allow the cell to grow if needed
11

What is the purpose of the cell cycle?

A
growth and repair of cells
B
reproduction of the organism
C
replacement of healthy cells
12

How does the cell cycle help organisms?

A
growth, repair, and reproduction of cells
B
reproduction of the organism
C
synthesis, replication, and reproduction of DNA in cells
14

How long does a mutation last?a few weeksuntil the cell reaches mitosis✔ as long as the cell lives

A
a few weeks
B
until the cell reaches mitosis
C
✔ as long as the cell lives
17

What can you determine by looking at the data on the chart?

A
Skin cancer rates for both sexes remained the same for four years, increasing slightly in 2009.
B
Skin cancer rates for both sexes decreased from 2005 to 2008, increasing more rapidly in 2009.
C
Skin cancer rates for both sexes decreased gradually but increased in 2008 and slightly decreased in 2009.
18

What occurs to the cell during mitosis?

A
The cell divides.
B
DNA is duplicated.
C
Two daughter cells are formed.
D
Chromosomes are duplicated.
19

When skin cells have third-degree burns, skin grafts are used. What is the benefit to using skin grafts?

A
They provide a permanent layer of skin for the burned area.
B
They protect the burn from infection.
C
They provide a shorter healing time for the burned area.

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