Question: Glycolysis and hepatic gluconeogenesis are regulated reciprocally by facilitated hormonal mechanisms, in addition to an important metabolite that determines whether glucose should be synthesized or degraded. Which?: 
 Options:  <1> Fructose 6-phosphate. <2> Fructose 1,6-bisphosphate. <3> Fructose 2,6-bisphosphate. <4> Pyruvate. <5> Lactate
3