38. The following item was the most important one for the development of PCR as a commercially successful and widely-used procedure:
(A)Taq DNA Polymerase.
(B) Heat-resistant DNA.
(C) Heat-resistant primers for DNA synthesis.
(D)Robotic machines to run the PCR® procedure.
(E) Heat-resistant nucleoside triphosphate substrates.

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統計: A(1), B(0), C(0), D(0), E(0) #2789538