Q.

Which one is a true statement regarding DNA polymerase used in PCR ?

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a

It is used to ligate introduced DNA in recipient cell

b

It serves as a selectable marker

c

It is isolated from a virus

d

It remains active at high temperature

answer is D.

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Detailed Solution

The DNA polymerase used in PCR is Taq polymerase which is a thermostable DNA polymerase.

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