Which of the following statements is correct regarding the $DNA$ polymerase used in $PCR$?

  • A
    It is isolated from a virus.
  • B
    It remains active at high temperatures.
  • C
    It is useful in the ligation of $DNA$ inserted into a host cell.
  • D
    It acts as a selectable marker.

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Similar Questions

Statement-$I$: Thermostable $\text{DNA}$ polymerase is isolated from $\text{Thermus aquaticus}$.
Statement-$II$: $\text{Taq}$ $\text{DNA}$ polymerase is inactive at high temperature $(72^{\circ}\text{C})$.

Restriction endonuclease,an enzyme used in Genetic Engineering,is employed for:

When the $pBR322$ plasmid is cut with the $Pst\, I$ restriction enzyme,which of the following occurs?

Restriction enzymes are:

To isolate $DNA$ from fungal cells,bacterial cells,and plant cells,the enzymes required are respectively:

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