Home Biology Biotechnology Principles and Processes NCERT Which of the following is not required in th…
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 13, 2026

Which of the following is not required in the preparation of recombinant DNA molecule?

A
Restriction endonuclease
B
DNA ligase
C
DNA fragments
D
E. coli

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Verified by Experts
The correct answer is:
D

E. coli is used as a host, not for preparing the recombinant DNA molecule itself.

Recombinant DNA formation requires restriction enzymes, DNA fragments, and DNA ligase.

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