Multiple Choice
The first step in base excision repair is
A) removal of a double-stranded fragment of damaged DNA.
B) nicking the backbone of one DNA strand.
C) recognizing and excising the incorrect base from a nucleotide.
D) removing extraneous groups such as methyl or oxygen added by mutagens.
E) replacing an A-T base pair with a C-G base pair.
Correct Answer:
Verified
Correct Answer:
Verified
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