Efficiency of Information Transmission by Biochemical Co-factors 



205 





f ' VLf 



I COMPOUND 1-7— • 



INGESTED 



ABSORBED 



PROBABILITY POINT 

 DECISION POINT 



TRANSPORTED I 

 [BOUND] 



REACTION 



Fig. 1. Pathway of utilization for a hypothetical co-factor. 



CELLULAR CONSTITUENTS 

 APO-ENZYME ACCEPTORS 

 SUBSTRATE ACCEPTORS 



Fig. 2. Topological considerations in evaluating information 

 transmission by a co-factor. 



