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