This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'In alkaptonuria the urine contains \nSelect and explain. \nA. Hemogentisic acid, B. Phenylalanine, C. Ketonis, D. Acetates', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Alkaptonuria is an autosomal recessive Condition. The metabolic defect is deficiency of homogentisate oxidase. this results in excretion of homogentisic acid in urine.Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 237', 'role': 'assistant'}]