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Question

Which enzyme is useful in genetic engineering?

A
DNA-ase
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B
Amylase
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C
Lipase
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D
Restriction endonuclease
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Solution

The correct option is D Restriction endonuclease
A restriction enzyme, restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites. In the bacterial cell, restriction enzymes cleave foreign DNA, thus eliminating infecting organisms.
So, option D is the correct option.

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