What is the function of the enzyme used in PCR?

What is the function of the enzyme used in PCR?
  1. To degrade the DNA
  2. To extend the primers
  3. To amplify the DNA
  4. To denature the DNA

Solution

In PCR, the enzyme DNA polymerase extends the primers using the nucleotides provided in the reaction and the genomic DNA as a template.

Asked in: NCERT

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