Polymerase Chain Reaction - Medical Science

Q1:

The original enzyme(s) used in PCR reaction is/are known as

A E. coli DNA polymerase

B E. coli RNA polymerase

C Taq polymerase

D all of these

ANS:A - E. coli DNA polymerase

Exactly, it is Taq polymerase, the enzyme to be used because it is the one which is thermostable.