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': '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: C i.e. Hydrophilic in characterIonophoresaillCeain microbes synthesize small organic molecules called ionophores, that function as shuttle for the movement of ions across membrane.', 'role': 'assistant'}]