"E»'ifTiated or colculatod from available data. 



Initiol concentration. 

 ^Finol concentrotion. 

 ''Decrease in log of molar concentration of oxidized 



cytochrome c per minute for 1:150 tissue dilution. 

 *Decreose in log of molor concentration of reduced 



cytochrome c per minute for 1:100 tissue dilution. 



'A log [cytochrorr 

 " " ' ig [ferric 



, ^ ' c]/mg.wet wt./min. 



-A log [ferricytochrome c]/mg. protein/min. 

 "Moles substrate converted/kilo protein/hour (Fo 

 Qxopiosm, protein - total protein; for sheoth, 

 protein of non-collagenous component). 

 'A log [ferricytochrome cl/mg. protein/min. 

 JA iogTCyF,**]/min. 



Acti vity/mg. N when standard activity = 

 A log (CyFe'*"'') final tissue dilution 



SI " Ti30 ■ 



'Activity/mg. protein when activity = 

 Alog [cytochrome c] 



At (min.) 



^mfi moles cytochrome c reduced (mg. N)^^ min. 



"mM moles DPNH oxidized (mg. N) 'min.^ 



°mn moles cytochrome c oxidized (mg. N) ^ min. 



''Moles cytochrome c reduced/mg. tissue/5 min. a 

 10°C. (extinction coefficient of reduced cyto- 

 chrome c taken as 2.8x 10 ' cm.Vmol.)- 



''O. D. of clear supernotont when measured at 520 rrt^i. 



'AC D./mg. protein/min. 



^Moles DPN reduced/g.wet wt./hr. 



'Additional respirotory data on invertebrote tissues 



present in original paper and not included in 



Section 2. 



