This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glycolysis, Subject name: Biochemistry
[{'content': 'PFK-1 is inhibited by: \nSelect and explain. \nA. Insulin, B. Citrate, C. Glucose-6-phosphate, D. AMP', 'role': 'user'}, {'content': 'Answer: B \nExplanation: PFK-1 (Phosphofructokinase-1) is the rate limiting enzyme of Glycolysis. Allosteric activators AMP ADP K+ Phosphate Fructose 2,6-bisphosphate Allosteric inhibitors ATP Citrate Ca ++ Mg ++ Low pH', 'role': 'assistant'}]