Cancer is a disease that occurs when the cell cycle is no longer regulated, and another critical protein in regulating the cell cycle is the tumor suppressor protein p53 . Given these facts, one tumor suppressor protein which often results in cancer when it stops functioning is: among the following options:
- gene
 - p53
 - tumors
 - HIV
 - enzyme
 - tRNA
 - DNA
 - TRH


 

  p53       