Solved

Match the Damage Type or Repair Step at the Left

Question 48

Matching

Match the damage type or repair step at the left with a related enzyme at right. Only one answer will be the most direct for each.

Premises:
direct chemical reversal of pyrimidine dimer formation
DNA synthesis in gaps
seals nicks
adenine deamination
O6-methylguanine
binds to mismatch in DNA
cytosine deamination
base loss
binds to GATC sequences
double-strand break excision of a lesion-containing oligonucleotide
Responses:
mutS-mutL complex
DNA photolyase
ABC excinuclease
AP endonuclease
uracil N-glycosylase
λ integrase
DNA polymerase I
restriction endonuclease
DNA ligase
O6-methylguanine methyltransferase
hypoxanthine-N-glycosylase
mutH protein
RecA protein

Correct Answer:

mutS-mutL complex
DNA photolyase
ABC excinuclease
AP endonuclease
uracil N-glycosylase
λ integrase
DNA polymerase I
restriction endonuclease
DNA ligase
O6-methylguanine methyltransferase
hypoxanthine-N-glycosylase
mutH protein
RecA protein
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