17cytosine具有下列何種組成?
(A)base
(B)base及ribose
(C)base,ribose及phosphate
(D)methylatedbase,ribose及phosphate
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統計: A(3), B(4), C(7), D(2), E(0) #2986822
統計: A(3), B(4), C(7), D(2), E(0) #2986822