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AIIMS2003Zoology-Genetics

AIIMS 2003 Zoology Molecular Biology MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Restriction enzymes:

A

are endonucleases which cleave DNA at specific sites

B

make DNA complementary to an existing DNA or RNA

C

cut or join DNA fragments

D

are required in vectors for direct gene transfer

Correct Answer

Option A

Detailed Explanation

Restriction enzymes are endonucleases which cleave DNA at specific sites.

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