Explain the principles of PCR

The Polymerase Chain Reaction (PCR) is a method of DNA amplification in vitro. It consists of 3 stages - denaturation, annealing and extending. PCR relies on the use of a thermophilic Taq polymerase enzyme.

DB
Answered by David B. Biology tutor

5017 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe the structure of a protein


During sampling, discuss the principles and strategies that should be employed in the collection of representative samples.


Explain how the structure of an enzyme allows for it to act as a biological catalyst


What is Mitosis?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning