This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Conversion of Norepinephrine to Epinephrine - \nSelect and explain. \nA. COMT, B. MAO, C. PENMT, D. SAM', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) PENMT Ref: Harper's Biochemistry 30th edn. /509-510 *Phenylethanolamine N-methyltransferase (PENMT) is an enzyme found in the adrenal medulla that converts Norepinephrine (Noradrenaline) to Epinephrine (Adrenaline) cortex. *S. Adenosyl -L- Methionine (SAM) is a required cofactor.", 'role': 'assistant'}]