This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Biochemistry
Aromatic enzyme complex is involved in the biosynthesis of: 
Select and explain. 
A. Cholesterol, B. Adrenal hormones, C. Vitamin D3, D. Estradiol/estrogens
D: Estradiol/estrogens
Answer: D: Estradiol/estrogens 
Explanation: Ref: Harper's Illustrated Biochemistry. 28th ed, ch. 41, pp 431.Explanation:Estrogens are formed by the aromatizadon of androgens in a complex process that involves three hydroxylation steps which require 02 and NADPH.The aromatase enzyme complex includes a P450 monooxygenaseThis enzyme complex converts Testosterone - Estradiol and Androstenodione - Estrone. Synthesis of Glucocorticoids, Aldosteone and Sex hormones in Adrenal gland