Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Restriction-modification systems of bacteria exist to
Text Solution
Verified by ExpertsThe correct answer is:
A
The restriction–modification system in bacteria acts as a defense mechanism.
Restriction enzymes cut foreign DNA (such as viral DNA).
Methylation protects the host bacterial DNA from being cut.
Thus, the main function is to protect bacteria from invading foreign genetic material.
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