1.

Which of the following enzyme is used in PCR?(a) Taq DNA polymerase(b) HRP(c) EcoRI(d) EcoRII

Answer» The correct answer is (a) Taq DNA polymerase

To explain: HRP is an enzyme used in ELISA. EcorI and EcorII are the restriction enzymes.

So only a DNA polymerase is responsible for producing multiple copies of DNA sequence.


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