This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'Fructose 2-6 biphosphate is \nSelect and explain. \nA. Intermediate of glycosis, B. Positive allosteric regulation of PFK1 (Phospho-fructokinase 1), C. Ne gative allosteric regulation of PFK1, D. Positive allosteric regulation of PFK2', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Fructose-2,6-bisphosphate(F-2,6-BP) increases the activity of phosphofructokinase.F-2,6-BP formed from fructose-6-phosphate by the action of an enzyme called PFK2Ref: DM Vasudevan, 7th edition, page no: 113', 'role': 'assistant'}]