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': 'True about facilitated diffusion are A/E: \nSelect and explain. \nA. Occur in direction of concentration gradient, B. Does not require energy, C. Occur in direction opposite to electrical gradient, D. Facilitated by charge of molecule', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Occur in direction opposite to electrical gradient', 'role': 'assistant'}]