Question

Over 50% of common cancers are associated with damage to a protein, p53. This protein
A.is a cyclin
B. is a tumor supressor
C. is an oncogene
D. regulates apoptosis

Answer 1

Answer B is right tumor supressor

Answer 2

Over 50% of common cancers are associated with damage to a protein, p53.

This protein

B. is a tumor suppressor

Thus, the correct answer is B

This gene prevents the mutation of genome and is an essential gene found in the multi cellular organisms where it mainly functions to prevent cancer.

For all these reasons, p53 is also considered as the guardian of the genomes.