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: Microbiology
[{'content': 'Electron microscopy is used for following except - \nSelect and explain. \nA. To differentiate T and B lymphocytes, B. IgG deposits in kidney, C. TPI, D. Flagella', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]