Home Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 5 PCB If we use DNA polymerase, isolated from norm…
Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 5 PCB Single Correct MCQ
Published on: August 13, 2026

If we use DNA polymerase, isolated from normal soil bacterium in PCR, then what would happen?

A
We cannot obtain even a single copy of DNA
B
We can obtain millions of copies of DNA within sometime
C
We have to run PCR for many cycles
D
We only obtain 15-20 copies of DNA

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The correct answer is:
A

If we use DNA polymerase, isolated from normal soil bacterium, in PCR, we cannot obtain even a single copy of DNA. This is because normal DNA polymerase cannot with stand high temperature of PCR and gets denatured.

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