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

question 48

Multiple Choice

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 \(\beta\)
• C)5'->3' exonuclease
• D)3'->5' exonuclease
• E)DNA glycosylase

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