23. Steroidogenesis involves the conversion of cholesterol into various hormones. Which intermediate serves as the universal precursor for all classes of steroid hormones?
(A) Mevalonate (C6H1204).
(B) Squalene (C30H50).
(C) Pregnenolone (C21 H3202).
(D) Lanosterol (C30H50О).
(E) Progesterone (C21H3002).
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統計: A(0), B(1), C(0), D(0), E(0) #3825488
統計: A(0), B(1), C(0), D(0), E(0) #3825488