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': 'Molecular separation of two proteins with same charge can be done by: \nSelect and explain. \nA. Ion exchange chromatography, B. Dialysis, C. Gel diffusion chromatography, D. Electrophoresis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Gel diffusion Chomatography', 'role': 'assistant'}]