Home Biology Biotechnology Principles and Processes NCERT While isolating DNA from bacteria, which of …
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 13, 2026

While isolating DNA from bacteria, which of the following enzymes is not required?

A
Lysozyme
B
Ribonuclease
C
Deoxyribonuclease
D
Protease

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Text Solution

Verified by Experts
The correct answer is:
C

While isolating DNA from bacteria, Deoxyribonuclease (DNase) is not used because it breaks down DNA. Since the purpose is to obtain intact DNA, DNase must be avoided. Lysozyme, RNase, and protease are used to remove the cell wall, RNA, and proteins respectively.

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