Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

DNA polymerase (Taq) and deoxyncleotides are added (Works) during PCR in which stage –

A
Before denaturation
B
Before annealing
C
Before extension
D
After extension

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Text Solution

Verified by Experts
The correct answer is:
A

In PCR, all reaction components including Taq DNA polymerase, deoxynucleotides (dNTPs), primers, and template DNA are added before the first denaturation step. They remain in the reaction mixture throughout all cycles.

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