The Most Common Type of DNA Damage Repair Is

Question

The most common type of DNA damage repair is
A)excision repair.
B)photoreactivation.
C)suicide enzyme repair.
D)DNA photolyase.
E)proofreading repair.

Accepted Answer

Excision repair is the most common type of DNA damage repair, as it involves the removal of damaged nucleotides by enzymes and their replacement with new ones. Photoreactivation and DNA photolyase both involve the use of light to repair damage caused by UV radiation. Suicide enzyme repair is not a known type of DNA repair, and proofreading repair is a mechanism used by DNA polymerases to correct errors during replication, rather than a repair pathway for DNA damage.