Question

Which protein is called "guardian of genome"?

• A. $p$ $53$
• B. Cyclin D
• C. CDK 4
• D. Rb

Answer 1

The correct option is A $p$ $53$

p53 is a protein is known as "guardian of genome" because it regulates cellular apoptosis and cellular growth to maintain the integrity of the human genome. It is also known as policeman of oncogenes because it suppresses the mutation and prevents oncogenesis.

So, the correct answer is option A.