A cell cycle checkpoint for S phase would likely inhibit progression through the cell cycle if _____.
A) there are not enough proteins for division to continue
B) ATP supply in the cell is low
C) there is DNA damage
D) the temperature of the cell is too low
E) surrounding cells are dividing

Question

A cell cycle checkpoint for S phase would likely inhibit progression through the cell cycle if _____.​
A) ​there are not enough proteins for division to continue
B) ​ATP supply in the cell is low
C) ​there is DNA damage
D) ​the temperature of the cell is too low
E) ​surrounding cells are dividing

Quizplus · Accepted Answer

A cell cycle checkpoint for S phase primarily ensures that the cell's DNA is intact and undamaged before replication. If there is DNA damage, the checkpoint mechanisms will inhibit the cell cycle progression to allow for repair, preventing the propagation of errors.

A Cell Cycle Checkpoint for S Phase Would Likely Inhibit