270 



Comparative Animal Physiology 



Pathway of Glycolysis 



GLYCOGEN + INORGANIC PHOSPHATE 



(phosphorylase) 

 GLUCOSE-1-PHOSPHATE 



(phosphoglucomutase) 

 GLUCOSE-6-PHOSPHATE 



(oxoisomerase) 

 FRUCTOFURANOSE-6-PHOSPHATE 



(phosphohexokinase) 

 FRUCTOFURANOSE-1 :6-DIPHOSPHATE 



(zymohexase) 

 3-PHOSPHOGLYCERALDEHYDE 



(?) 

 1 :3-GLYCERALDEHYDE DIPHOSPHATE 



(triosephosphate dehydrogenase) 

 1 :3-DIPHOSPHOGLYCERIC ACID 



(phosphokinase) 

 3-PHOSPHOGLYCERIC ACID 



( phosphogly ceromu ta se ) 

 2-PHOSPHOGLYCERIC ACID 



(enolase) 

 2-PHOSPHOPYRUVIC ACID 



(phosphokinase) 

 PYRUVIC ACID 



Fig. 62. Pathway of glycolysis involving the phosphorylation of hexose and transfer 

 of energy through the energy-rich phosphate bonds. All these reactions can occur under 

 anaerobic conditions. From Baldwin." 



