In a Cell with Damaged DNA, Which Protein Halts Cell

Question

In a cell with damaged DNA, which protein halts cell division?
A) p53
B) Telomerase
C) Oncogene product
D) All of these choices

Accepted Answer

p53 is a tumor suppressor protein that plays a crucial role in preventing cell division when DNA is damaged, allowing time for repair or triggering apoptosis if the damage is irreparable.