Restriction endonucleases are isolated from s | vedclass

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(A) The correct answer is $A$. Restriction endonucleases are enzymes produced by bacteria as a defense mechanism against bacteriophages (viruses that

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defence against virus

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(A) The correct answer is $A$. Restriction endonucleases are enzymes produced by bacteria as a defense mechanism against bacteriophages (viruses that infect bacteria). These enzymes recognize specific $DNA$ sequences and cleave the viral $DNA$,thereby preventing the infection and replication of the virus within the bacterial cell.

Restriction endonucleases are isolated from some bacteria. Their role in bacteria is

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