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': '2, 3 bisphosphoglycerate occurs in ? \nSelect and explain. \nA. Liver, B. RBCs, C. Kidney, D. Brain', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., RBCs", 'role': 'assistant'}]