MCQ
Identify the process by which bacteria protect their own DNA from the attack of restriction enzymes.
  • A
    They add formyl group to nitrogen bases at susceptible sites.
  • B
    They methylate phosphate group at susceptible sites.
  • They metbylate nitrogen bases at susceptible sites.
  • D
    They methylate sugar at susceptible sites.

Answer

Correct option: C.
They metbylate nitrogen bases at susceptible sites.
C

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free