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: Pathology
[{'content': 'MHC class I represented on - \nSelect and explain. \nA. All cells, B. All nucleated cells, C. RBCs, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., All nucleated cells o MHC class I is found on the surface of all nucleated cells and platelets.", 'role': 'assistant'}]