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: Biochemistry
[{'content': 'Which of the following is derived from tyrosine ? \nSelect and explain. \nA. Melatonin, B. Serotonin, C. Melanin, D. Niacin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Melanin Tyrosine is a precursor of many impoant compounds such as catecholamines (epinephrine, norepinephrine ), dopamine), thyroxine, triiodothryonine, melanin.", 'role': 'assistant'}]