Biology Biotechnology Principles and Processes Processes of Recombinant DNA Technology Single Correct MCQ
Published on: August 13, 2026

Which of the following is active at high temperature?

A
DNA polymerase
B
RNA polymerase
C
Taq-polymerase
D
All the above

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Text Solution

Verified by Experts
The correct answer is:
C

Taq DNA polymerase, obtained from Thermus aquaticus, is thermostable and remains active at high temperatures used during PCR (around 72°C and survives repeated heating to 95°C).

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