Biology Biotechnology Principles and Processes Cloning Vectors and Competent Host Single Correct MCQ
Published on: August 11, 2026

Which of the following is a plasmid vector?

A
pBR322
B
Bam II
C
SaI I
D
Eco RI

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Text Solution

Verified by Experts
The correct answer is:
A

pBR322 is a widely used plasmid vector in recombinant DNA technology. The others (Bam II, Sal I, Eco RI) are restriction enzymes, not vectors.

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