Which of the following lacks 3′-5′ exonuclease activity?
A. Short fragment of DNA polymerase I
B. Taq DNA polymerase
C. T4 DNA ligase
D. All of the above
Answer:D
Which of the following lacks 3′-5′ exonuclease activity?
A. Short fragment of DNA polymerase I B. Taq DNA polymerase C. T4 DNA ligase D. All of the above