430 



SUBJECT INDEX 



Bios problem = oxygen problem, 

 203 



Blood charcoal as oxygen activa- 

 tor, 97 



Bread yeast manufacture, 177, 237 

 {See also Yeast.) 



Buffering of reduction potential, 94 



Building material of cells, 163 

 and yeast crop, 238 



Butyl alcohol fermentation, 55 



Butylene glycol, 54 



Butyric acid fermentation, 54 



C 



Cadaverin from lysin, 59 

 Calories, {see Energj^, and Heat). 

 Cannizzaro reaction, 44, 51 

 Caprylic acid fermentation, 159 

 Carbolic acid coefficient, {see Phe- 

 nol Coefficient). 

 Carboligase, 65 



Carbon dioxide from peptone, 76, 

 174 

 required for growth, 168 

 Carbon, sources of, 164 

 Carboxylase, 65 



Cardinal temperatures, {see Opti- 

 mum, Maximum, Mini- 

 mum Temp.). 

 Catabolism, {see Endogenous 



CataboHsm). 

 Catalase, 65 



Cathode rays, causing death, 374 

 Cell construction, material for, 163 

 waste products of, 173 

 number and fermentation end- 

 point, 146 

 structure, molecular, 261 

 volume as measure of growth, 

 162 

 of old and young cells, 162 

 Charcoal as oxygen activator, 97 

 Chemical disinfection, 335 



Chemical stimulation of endpoint 

 of growth, 254 

 fermentation, 137 

 growth rate, 227 

 Chromosomes, 259 



in bacteria, 261 

 Citric acid from sugar, 158 

 Clostridium, putrefaction by, 60 

 Coagulation as cause of all death, 

 367 

 of protein by heat, 327 

 Co-enzyme of yeast, 38 

 Cold, death by, 314 



shock, 378 

 Combustion heat of bacteria, 28, 

 180 

 inorganic compounds, 71 

 media, 28, 180 

 organic compounds, 72,f 180 

 Concentrated solutions and death 



by heat, 330 

 Concentration exponent of disin- 

 fectants, 347 

 change of, 352 

 of cells, and rate of fermen- 

 tation, 114 

 endpoint of fermentation, 

 146 

 substrate and endpoint of 

 fermentation, 141 

 growth, 245 

 enzyme action, 116 

 rate of fermentation, 116 



growth, 203 

 type of fermentation, 157 

 Creatin as product of starvation, 



15 

 Crops, {see Endpoint of Growth). 

 Cystein as anti-oxidant, 79 



cause of oxido-reduction, 97, 



98, 100 

 reduction potential of, 88 



