Which of the following is a true statement about DNA polymerase that is used in PCR?

These are known as molecular scissors . It remains active at high temperature. It is used to ligate introduced DNA in the recipient cell. None of these .

It remains active at high temperature.

In PCR DNA polymerase (isolated from a bacterium, Thermus aquaticus), which remain active during the high temperature induced denaturation of double stranded DNA.