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': 'Ochronosis is seen in: \nSelect and explain. \nA. Alkaptonuria, B. Cystinosis, C. Maple syrup disease, D. Homocystinuria', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Alkapton deposition occurs in connective tissues, bones and various organs (nose, ear etc.) resulting in ochronosis', 'role': 'assistant'}]