Multiple choice

Pfu polymerase is better than Taq polymerase because

  1. it has more efficient polymerse activity

  2. it has proof reading activity

  3. both 1 and 2

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pfu polymerase has proof reading activity, so if there is any mispaired binding, it will repair this base pairing so that there will be no mispairing. Proof reading activity is absent in Taq polymerase, so it cannot repair any mispairing.

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