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': 'All of the following amino acids forms Acetyl CoA via pyruvate dehydrogenase except: \nSelect and explain. \nA. Glycine, B. Tyrosine, C. Hydroxyproline, D. Alanine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Tyrosine(Ref: Harper 31/e page 151-155)Amino acid that enter via Pyruvate to TCA cycle are:Hydroxy Proline, Serine, Cysteine, Threonine, GlycineTryptophan, Alanine', 'role': 'assistant'}]