This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Non-competitive enzyme inhibition leads to: \nSelect and explain. \nA. Vmax|, B. Vmax|, C. Vmax unchanged, D. Km|', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Vmax |Features of noncompetitive inhibitionInhibitor have no structural resemblance to substrateIrreversibleExcess substrate do not abolish the inhibitionKm remains the sameVmax decreases', 'role': 'assistant'}]