11. Which of the following activities does E. coli DNA polymerase III lack?
(A)5' → 3' polymerase
(B)5' → 3' exonuclease
(C)3' → 5' exonuclease
(D)E. coli DNA polymerase III has ALL of the above activities.

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統計： A(1), B(0), C(0), D(0), E(0) #2789511