CARBOHYDRATE METABOLIC PATHWAYS 



77 



400 



300- 



S 200 



QjO 



100 



jGlucose-6-P04 

 /'lRibose-5-P04 



20 



40 60 80 



Time (minutes) 



100 



120 



Fig. 3.8. Oxidations in rabbit liver mitochondria. 



a diagram of these transformations in the pea aphid. The 

 accumulation of sugars proceeds as outhned in accordance 

 with expectations based on operation of the cycle. 



In this connection, it seems appropriate to point out 

 that merely to find the individual enzymes of a pathway in 

 question is not enough to establish the operation of the 

 pathway. The enzymes formerly regarded as "belonging" 

 to glycolysis, for example, are, with the exception of phos- 



