In every cell of the body, about 100 cytosine residues in the DNA are deaminated to uracil per day.The enzyme that recognizes this kind of damage and catalyzes the first reaction in the repair pathway is:
A) An exonuclease.
B) A DNA glycosylase.
C) AP endonuclease.
D) A topoisomerase.
E) A helicase.
Correct Answer:
Verified
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