Question
Biology Question on Structure of DNA and RNA
Which of the following is/are essential feature(s) of high-fidelity DNA polymerases used in polymerase chain reaction?
A
5´→3´ exonuclease activity
B
Endonuclease activity
C
3´→5´ exonuclease activity
D
Optimum temperature for activity ≥72 °C
Answer
3´→5´ exonuclease activity
Explanation
Solution
The Correct options are C, D : 3´→5´ exonuclease activity AND Optimum temperature for activity ≥72 °C