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Restriction endonuclease -...

Restriction endonuclease -

A

Cuts the DNA molecules randomly

B

Cuts the DNA molecules at specific sites

C

Restricts the synthesis of DNA inside the nucleus

D

Synthesizes DNA

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The correct Answer is:
B
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Correct statement about restriction endonuclease. (I) It is the enzyme which cuts DNA at a particular point. (II) The first restriction endonuclease was Hindll. (III) Overall,900 restriction enzymes have been isolated from about 200 strains. (IV) Each restriction endonuclease recognizes a specific palindromic sequence.

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