Given the damage caused by UV radiation, the kind of gene affected in those with XP is one whose product is involved with _____

A) mending of double-strand breaks in the DNA backbone
B) breakage of cross-strand covalent bonds
C) the ability to excise single-strand damage and replace it
D) the removal of double-strand damaged areas
E) causing affected skin cells to undergo apoptosis


Answer: C

Biology & Microbiology

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