What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?
A)an AP endonuclease
B)phosphodiesterase activity of polymerase β
C)5'-3' exonuclease
D)3'-5' exonuclease
E)DNA glycosylase

Question

What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?
A)an AP endonuclease
B)phosphodiesterase activity of polymerase β
C)5'->3' exonuclease
D)3'->5' exonuclease
E)DNA glycosylase

Quizplus · Accepted Answer

DNA glycosylase is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety.

What Enzyme Is Responsible for Recognizing a Chemical Alteration in the DNA