Polymerase chain reaction involves use of a DNA polymerase enzyme which is a

Terminal transferase

Thermolabile

Thermostable

Modular enzyme

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Taq polymerase is a thermostable DNA polymerase which is used in the polymerase chain reaction. It was named after the thermophilic bacterium Thermus aquaticus from which it was isolated by Thomas D. Brock in 1965. The polymerase chain reaction is carried out at three different temperatures and so, the enzyme which is used should be stable at varying and high temperatures. The Taq polymerase enzyme is stable at the different range of temperatures.

Thus, the correct answer is option C.

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