What is the purpose of using a thermostable DNA polymerase in PCR?

What is the purpose of using a thermostable DNA polymerase in PCR?
  1. To degrade the DNA
  2. To extend the primers
  3. To remain active during the high temperature induced denaturation of double stranded DNA
  4. To amplify the DNA

Solution

The purpose of using a thermostable DNA polymerase in PCR is to remain active during the high temperature induced denaturation of double stranded DNA)

Asked in: NCERT

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