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Biology Biotechnology Principles and Processes Statement Based Questions Single Correct MCQ
Published on: August 14, 2026

‘ Restriction’ in restriction enzyme refers to

(I) cleaning of phosphodiester bond in DNA by the enzyme.

(II) cutting DNA at specific position only.

(III) prevention of the multiplication of bacteriophage in bacteria.

A
(III) only
B
(II) and (III)
C
(I) and (III)
D
(I), (II) and (III)

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Text Solution

Verified by Experts
The correct answer is:
A

The term "restriction" refers to the phenomenon where bacteria restrict the growth (multiplication) of bacteriophages by cutting their DNA.

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