33 利用 polymerase chain reaction(PCR)複製 DNA,須經過三個重複的步驟,其依序為:
(A)annealing → denaturation → extention
(B)denaturation → extention → annealing
(C)denaturation → annealing → extention
(D)extention → annealing → denaturation
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統計: A(44), B(122), C(319), D(24), E(0) #572616
統計: A(44), B(122), C(319), D(24), E(0) #572616