39. Why is biotin essential for fatty acid biosynthesis?
(A) It acts as an electron carrier like NADPH
(B) It activates acyl carrier protein
(C) It transfers acetyl groups between enzymes
(D) It serves as a CO₂ carrier in carboxylation reactions
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統計: A(0), B(0), C(0), D(1), E(0) #4043408
統計: A(0), B(0), C(0), D(1), E(0) #4043408