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': 'Citrate to cis-aconitate conversion is inhibited by? \nSelect and explain. \nA. Malonate, B. Fluoride, C. Arsenite, D. Fluoroacetate', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., FluoroacetateConversion of citrate to cis-aconitate is a step of Kreb's cycle, catalyzed by Aconitase. Aconitase is inhibited by fluoroacetate.", 'role': 'assistant'}]