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': 'Ionophores have following action except \nSelect and explain. \nA. Abolish proton gradient, B. Inhibit ADP to ATP conversion, C. Hydrophilic in character, D. Abolish pH gradient', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hydrophilic in character\xa0\n\nInophors are lipophilic (not hydrophilic).\nInophors inhibit ATP formation by inhibiting oxidative phosphorylation by abolishing proton gradient or pH gradient.', 'role': 'assistant'}]