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': 'Which of the following is an effect of dinitrophenol on oxidative phosphorylation \nSelect and explain. \nA. Inhibition of cytochrome b, B. Blockade of both electron transport and ATP synthesis, C. Inhibition of ATP synthesis with normal electron transport, D. Inhibition of electron transport but not ATP synthesis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Inhibition of ATP synthesis\n\nDinitrophenol is an uncoupler.\nUncouplers cause uncoupling of oxidation and phosphorylation, i.e. they allow electrons transport to proceed without ATP synthesis.', 'role': 'assistant'}]