Repair of DNA is usually carried out by
A) hydrolysis of the entire damaged DNA molecule and synthesis of new DNA
B) hydrolysis of one strand of the damaged DNA molecule and synthesis of a new strand
C) a cut-and patch process
D) introducing additional supercoiling in the molecule

Question

Quizplus · Accepted Answer

DNA repair often involves a cut-and-patch process where the damaged section is removed and then filled in with the correct nucleotides. This method does not require the hydrolysis of the entire DNA molecule or one of its strands, nor does it involve introducing additional supercoiling.

Repair of DNA Is Usually Carried Out by