glucose                Gluconeogenesis
    Pi
               Glucose-6-phosphatase
 H2O
glucose-6-phosphate
             Phosphoglucose Isomerase
fructose-6-phosphate
      Pi Fructose-1,6-bisphosphatase
   H2O
fructose-1,6-bisphosphate
             Aldolase
glyceraldehyde-3-phosphate + dihydroxyacetone-phosphate
                      Triosephosphate
                            Isomerase
(continued)                                              99