What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?
A)an AP endonuclease
B)phosphodiesterase activity of polymerase β
C)5'-3' exonuclease
D)3'-5' exonuclease
E)DNA glycosylase

Question

What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?
A)an AP endonuclease
B)phosphodiesterase activity of polymerase β
C)5'->3' exonuclease
D)3'->5' exonuclease
E)DNA glycosylase

Quizplus · Accepted Answer

An AP (apurinic/apyrimidinic) endonuclease cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair.

What Enzyme Cleaves the DNA Backbone to Remove the Beheaded