24.
In vitro experiments using a mutant DNA polymerase led to an increase in error rate from 10-6 to 10-3. Which activity is defective in mutant DNA polymerase.
A:
5’-3’ polymerase
B:
5’-3’ exonuclease
C:
3’-5’ exonuclease
D:
3’-5’ polymerase
The answer is:
C
