試題詳解

81. Which of the following statements about Klenow fragment is false?
(A) Klenow fragment is derived from E. coli DNA polymerase I.
(B) It contains DNA polymerase activity.
(C) It contains 3’→5’ exonuclease activity.
(D) Klenow fragment is derived from large fragment of E. coli RNA polymerase I.
(E) It is lack of 5’→3’ exonuclease activity.