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': 'Secondary active transpo true is ? \nSelect and explain. \nA. Occurs only in same direction, B. Occurs only in opposite direction, C. Uses ATP molecule, D. No carrier required', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Uses ATP molecule", 'role': 'assistant'}]