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
[{'content': 'Chemically steroids are derivatives of \nSelect and explain. \nA. Cholesterol, B. Ergosterol, C. Fatty acids, D. Perhydrocyclopentanophenantherene', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cholesterol is first acted upon by desmolasw and a 6 carbon unit is cleaved off, forming pregnenoloneProgesterone is the first steroid hormone formed from pregnenoloneProgesterone is fuher conveed in to glucocoicoids, mineralocoicoids and sex steroids Ref: DM Vasudevan, 7th edition, page no: 664, 665', 'role': 'assistant'}]