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: Physiology
[{'content': 'Example of active transpo ? \nSelect and explain. \nA. Movement of water across cell membrane, B. Movement of oxygen across cell membrane, C. Cotranspo of amino-acids with Na+, D. None of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Cotranspo of amino-acids with Na+", 'role': 'assistant'}]