In the Mismatch Repair Process,enzyme Complexes Replace Bases That Were

Multiple Choice

In the mismatch repair process,enzyme complexes replace bases that were incorrectly inserted into the newly synthesized DNA strand.To function,they must be able to distinguish between the parent DNA strand and the new strand.How is this accomplished?

A) The new strand contains the diphosphate bases.
B) The parent strand is methylated.
C) The new strand contains ribose sugars.
D) The parent strand is usually radiolabeled.