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Two enzymes responsible for restricting ...

Two enzymes responsible for restricting the growth of bacteriophage in E . Coli were isolated . One was methylase and other was a restriction endonuclease. What is the significance of methylase ?

A

Able to cut the DNA of bacteriophage at specific sites

B

Able to remove the methyl group and hence prevent the action of restriction endonuclease on host DNA

C

Protection of host DNA fro m the actionof restriction endonuclease by adding methyl group to one or two bases usually within the sequence recognized by restriction enzyme

D

Able to ligate the two cohesive ends of Dna molecule

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The correct Answer is:
C
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