8. Vitamin B12 在血液中主要是以下列何種形式運送?
(A)Methyl-cobalamin
(B)Intrinsic factor-cobalamin complex
(C)Transcobalamin II-cobalamin complex
(D)Methylene-cobalamin
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統計: A(331), B(261), C(1173), D(174), E(0) #2973242
統計: A(331), B(261), C(1173), D(174), E(0) #2973242