STANDARDZoology-Biotechnology

STANDARD Zoology Restriction Enzymes MCQ Question

Type: MCQ-conceptual-Medium

Which of the following is a restriction endonuclease

A

Hind II

B

Protease

C

DNase I

D

RNase

Correct Answer

Option A

Detailed Explanation

Hind II is a restriction endonuclease that can break internal phosphodiester bonds within a DNA molecule. It is the first restriction enzyme that recognized and cut DNA at a specific sequence. It was identified in 1968 H.O. Smith. They dated and characterized an enzyme from haemophilus influenzae.

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