"Estimated or calculated from available dato. 



^'Initial concentration. 



^Finol concentration. 



**Decrease in log of molar concentration of oxidized 



cytochrome c, per minute for 1:150 tissue dilution. 

 ''Decreose in log of molar concentrotion of reduced 



cytochrome c per minute for 1:100 tissue dilution. 



'A log [cytochrome c]/mg. 



3 [ferrtcytochrome c]/mg. protein/min. 



et wt./min. 



-A fo" ; 



"Moles substrote converted/kilo protein/hour {Fo 

 oxoplosm, protein = totol protein; for sheath, 

 protein of non-collagenous component). 



'A log [ferricytochrome cj/mg. protein/min> 



JA log I CyFe**]/min. 



Activity/mg. N when slondord activity - 

 A log (CyFe**) final tissue dilution 



'Acti 

 Alog 



37 



ly/mg. pro 

 [cytochro 



"T^O 



At (min.) 



'"my moles cytochrome c reduced (mg. N) ' min. 

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

 °mw moles cytochrome c oxidized (mg. N) ' min.~ 

 ^Moles cytochrome c reduced/mg. tissue/5 min. at 

 10°C. (extinction coefficient of reduced cyto- 

 chrome c token as 2.8x ID ' cm.Vmol.). 



''O. D. of clear supernatant when measured at 520 m/i. 



''AO. D./mq. protein/min. 



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



'Additional respiratory doto on tnvertebrote tissues 



present in original poper and not included in 



Section 2. 



