試題詳解

4. When bacterial DNA replication introduces a mismatch in a double-stranded DNA, the methyl-directed repair system:
(A) cannot distinguish the template strand from the newly replicated strand.
(B) changes both the template strand and the newly replicated strand.
(C) corrects the mismatch by changing the newly replicated strand.
(D) corrects the mismatch by changing the template strand.
(E) corrects the DNA strand that is methylated.