Question

Name the source of the DNA polymerase used in PCR technique. Mention why it is used.

Answer 1

T.aquaticus or Thermus aquaticus is a bacterium that lives in hot springs and hydrothermal vents, and Taq polymerase was identified as an enzyme able to withstand the protein-denaturing conditions like high temperature required during PCR. Therefore is the source of the DNA polymerase used in PCR technique.