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Genetic Engineering

Restriction e...

Question

Restriction endonuclease

A

Synthesizes DNA

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B

Cuts the DNA molecule randomly

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C

Restricts the synthesis of DNA inside the nucleus

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D

Cuts the DNA molecule at specific sites

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Solution

The correct option is D
Cuts the DNA molecule at specific sites

Restriction endonucleases inspect the DNA molecule in search of specific recognition sequence. Once it gets its specific recognition sequence, it binds to the site and cuts each of the two strands of the double helix at specific points by hydrolyzing the phosphodiester bond.

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