Which of the following lacks 3'-5' exonuclease activity?

1.	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» E.

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Which of the following lacks 3'-5' exonuclease activity?

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