Multiple Choice
In DNA repair pathways, DNA repair enzymes most directly use which of the following as their substrate?
17. Mutation, Repair, and Recombination
DNA Repair
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In the context of DNA repair, which vitamin is most directly required as a cofactor for thymidylate synthase to support nucleotide synthesis during DNA replication and repair?
A
Folate (vitamin B9)
B
Vitamin A (retinol)
C
Vitamin D (cholecalciferol)
D
Vitamin C (ascorbic acid)
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