Home Biology Biotechnology Principles and Processes Previous Year Questions The figure below is the diagrammatic represe…
Biology Biotechnology Principles and Processes Previous Year Questions Single Correct MCQ
Published on: August 14, 2026

The figure below is the diagrammatic representation of the E. Coli vector pBR322. Which one of the given options correctly identifies its certain component(s)?

A
Ori-original restriction enzyme
B
Rop-reduced osmotic pressure
C
Hind III, EcoRI selectable markers
D
amp R , tet R antibiotic resistance genes

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The correct answer is:
D

In pBR322, amp R and tet R are antibiotic resistance genes used as selectable markers.

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