This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Dopamine is synthesized from: \nSelect and explain. \nA. Tryptophan, B. Threonine, C. Tyrosine, D. Lysine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. TyrosineMetabolic products formed from Tyrosine are:MelaninThyroxineCatecholamines (Dopamine, Epinephrine, Norepinephrine)Albinism is due to Defect in Tyrosinase', 'role': 'assistant'}]