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': 'All are required for conversion of progesterone to estrogen except \nSelect and explain. \nA. Lyase, B. 11-hydroxylase, C. Reductase, D. Isomerase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 11 - hydroxylase generates coisol from 11-deoxycoisol and coicosterone from 11-deoxycoicosterone.Ref: DM Vasudevan, 7th edition, page no: 665, fig 52.2 and 52.3', 'role': 'assistant'}]