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Which one is a true statement regarding DNA polymerase used in PCR
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- It is used to ligate introduced DNA in recipient cell
- It serves as a selectable marker
- It is isolated from a virus
- It remains active at high temperature
Correct Option: D
The name of this DNA polymerase is Taq polymerase extracted from a thermophilic bacteria. It is a relatively thaermostable enzyme which is used in PCR during denaturation, which requires high temperature.