Moderate

DNA polymerase is a temperature-insensitive enzyme extracted from:

Correct answer: B. Thermus aquaticus

  • A. Fishelsoni
  • B. Thermus aquaticus
  • C. E. Coli
  • D. Both Fishelsoni and Thermus aquaticus

Explanation

Thermus aquaticus is a bacterium that lives in hot springs, and hydrothermal vents, and Tqa 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 the PCR technique.

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