This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amino Acid Metabolism, Subject name: Biochemistry
[{'content': 'Which hormone synthesized from Tyrosine? \nSelect and explain. \nA. Cakitrioi, B. Calcitonin, C. Thyroxin, D. Cortisol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) ThyroxinREF: Vasudevan biochemistry page 205, Lehninger Principles of Biochemistry 4m edition page 678, 859Important specialized products from tyrosine:ThyroxineMelaninCatecholamines (dopamine, norepinephrine and epinephrine)', 'role': 'assistant'}]