MDCAT Biology MCQ #1195

Why is Taq polymerase used in PCR instead of human DNA polymerase?

MDCAT Biology MCQ #1195

  1. Question 1

    Q1. Why is Taq polymerase used in PCR instead of human DNA polymerase?

    • A) It is more accurate
    • B) It is thermostable
    • C) It has proofreading ability
    • D) It is faster

    Answer: It is thermostable

    Explanation: Taq polymerase is thermostable, allowing it to withstand high PCR temperatures; Human DNA polymerase is not thermostable.