39.
Which of the following reactions is required for proofreading (i.e correcting replication errors) during DNA replication by DNA polymerase III?
A:
3’ – 5’ exonuclease activity
B:
5’ – 3’ exonuclease activity
C:
3’ – 5’ endonuclease activity
D:
5’ – 3’ endonuclease activity
The answer is:
A
