PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which cell cycle checkpoint verifies cell size and checks the DNA for damage?
A
G1 checkpoint
B
S checkpoint
C
G2 checkpoint
D
M checkpoint
Explanation: 

Detailed explanation-1: -At the G2 checkpoint, the cell checks for: DNA damage.

Detailed explanation-2: -p53 is a multi-functional protein that has a major impact on the commitment of a cell to division because it acts when there is damaged DNA in cells that are undergoing the preparatory processes during G1. If damaged DNA is detected, p53 halts the cell cycle and recruits enzymes to repair the DNA.

There is 1 question to complete.