Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

Which one is considered as restriction endonuclease?

A
DNA polymerase II
B
Eco R I
C
pBR322
D
All of these

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Text Solution

Verified by Experts
The correct answer is:
B

EcoRI is a restriction endonuclease that cuts DNA at a specific recognition sequence.

DNA polymerase II (enzyme for DNA synthesis/repair)

EcoRI (restriction endonuclease)

pBR322 (cloning vector).

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