Mismatch repair requires the ability to distinguish between template and newly synthesized DNA strands. How can E. coli distinguish between these two strands?
(Points : 1)
a) Template DNA is methylated.
b) New DNA is methylated.
c) Template DNA is phosphorylated.
d) New DNA is phosphorylated.
e) New DNA contains single-stranded binding proteins.

Question

Mismatch repair requires the ability to distinguish between template and newly synthesized DNA strands. How can E. coli distinguish between these two strands?
  (Points : 1)
       a) Template DNA is methylated.
       b) New DNA is methylated.
       c) Template DNA is phosphorylated.
       d) New DNA is phosphorylated.
       e) New DNA contains single-stranded binding proteins.

wolfe8 · Answer

I believe the answer is in here http://en.wikipedia.org/wiki/DNA_mismatch_repair