Cell Cycle

Question 1

The time between successive divisions is known as

Answer 1

mitotic cycle time (T_c).

Question 2

Cell division occurs during what phase of the cell cycle

Answer 2

Mitosis.

Question 3

Cells that are actively synthesizing new DNA as part of the process of replicating their choromosomes are in what phase

Answer 3

Synthetic (S) phase.

Question 4

The gap of time that occurs between Mitosis and the S phase is known as

Answer 4

G1

Question 5

The gap of time that occurs between S and M is known as

Answer 5

G2

Question 6

When cells stop progressing through the cell cycle in which phase are they

Answer 6

G₀.

Question 7

The cell cycle regulation occurs

Answer 7

by the periodic activation of different members of the cyclin-dependent kinase (Cdk) family.

Question 8

Protein _____ is an important cellular regulatory mechanism as many enzymes and receptors are activated/deactivated by phosphorylation and dephosphorylation events

Answer 8

phosphorylation

Question 9

Programmed cell death

Answer 9

Apoptosis

Question 10

After radiation, in which phase of the cell cycle will a cell most likely die in

Answer 10

M phase. Cells die attempting to divide because of damaged chromosomes.