This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Which enzyme converts androgen to estrogen?- \nSelect and explain. \nA. Cholesterol Desmolase, B. Aromatase, C. 11 b hydroxylase, D. 21 b hydroxylase', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Aromatase* Aromatase is an enzyme located in the endoplasmic reticulum of gonads, adipose tissue and placenta* It helps in the conversion of androgen into estrogen. It converts androstenedione to estrone and testosterone to estradiol* This conversion is done by three successive hydroxylation and by removal of methyl group as formate and by aromatization of the A ring", 'role': 'assistant'}]