224 P. P. Slonimski and H. de Robichon-Szulmajster 



Table VIII 



Synergistic action of cofactors and 

 individual bases in cytochrome oxidase adaptation 



Average of two experiments (A 222 a and A 224 a). 

 Conditions: Phos. Pht. Succ. buffer : -21^1 pH 4-5. 



Glucose : 15 mg./ml. 



Bases : ca. 8 x 10~^m ; A : adenine ; C : cytosine ; T : thymine ; 

 U: uracil. 



Source of cofactors: commercial erythrose 0-25 mg./ml. 



Adaptation during 7 hrs. 



Table IX 



Action of derivatives of d-erythrose in 



PROMOTING cytochrome OXIDASE ADAPTATION 



Expt. A 230, conditions: Phos. Pht. Succ. buffer : 0-2m pH 4-5 

 Glucose : 15 mg./ml. 

 Adaptation during 6 hrs. 



