

Glycogen 



i 



Protein 



Ribonuc lease 



ATP (Ribose nucleic acid, etc.) 



ji 



Riboside hydrolase 



I 

 I 



j (Hexose monophosphate) 



Ribose^. S —^ (Glucose-6-phosphate) 



Glucose 



\ 



(Mannose, Fructose, 

 Galactose) 





(C0 2 ) 



Pyruvate 

 phosphoferase 



i 



\| i 



( Phosphopyruvate) 



\ 



(Acetaldeh yde ) ^- 



I N 



Alcohol 

 dehydrogenase 



I 



N 



(Ethanol) 



I 



(Pyruvate) _ 

 I 



I 



* 



(TCA cycle) 



->ATP 



\ 



ATP-ase 



(ADP) 



AMP 



Lactic acid 



Figure 1 . Known intermediary metabolism of carbohydrates in 

 teleosts and elasmobranchs. 



