This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Competitive inhibition is characterized by all the following, except \nSelect and explain. \nA. Inhibitor is a structural analogue of the substrate, B. Inhibitor binds to the active site, C. Increases Km value, D. Irreversible', 'role': 'user'}, {'content': "Answer: D \nExplanation: A competitive inhibitor has no effect on Vmax but raises K'm, the apparent Km for the substrate. AND ITS REVERSIBLE. Inhibition is overcome by increasing the concentrations of the substrate.", 'role': 'assistant'}]