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: Microbiology
[{'content': 'Decreased glucose concentration in hepatic cells triggers all of the following Except \nSelect and explain. \nA. Increased glucagon levels in blood, B. Activation of fructose-2,6-biphosphatase, C. Inhibition of phosphofructokinase-2, D. Increased fructose-2,6-biphosphate levels', 'role': 'user'}, {'content': "Answer: D \nExplanation: Decreased glucose level leads to increased levels of glucagon. Glucagon inhibits the activity of PFK-2 and stimulates the activity of Fructose 2,6 biphosphatase. Activation of fructose-2,6-biphosphatase leads to decreased level of fructose-2,6-biphosphate levels.Ref: Harper's Illustrated Biochemistry 27th ed.", 'role': 'assistant'}]