SUBJECT INDEX 



433 



Fermentation, types of, variation 



in, 155 

 Fermenting enzymes, 23, 25 



capacity of a cell, 104, 106, 



404 



Final amount of fermentation 



products (see Endpoint 



of Fermentation). 



Final growth {see Endpoint of 



Growth). 

 Fittest survivors, survival of, 298 

 Food concentration and endpoint 

 of growth, 245 

 lowest, for growth, 250, 383 

 rate of fermentation, 116 

 growth, 203 

 selection, 25, 158 

 Formic acid as fermentation prod- 

 uct, 62 

 Freezing, death by, 313 

 Fruit flies, order of death, 275, 288 

 Functions, definition of, 5 

 Fusel oil, origin of, 42, 43 



as waste product of growth, 



147 

 composition of, 42 



G 



Gas formation by Bad. aerogenes, 54 

 coll, 53 

 streptococci, 76 

 yeast, 105 

 from peptone, 76, 174 

 ratios, 53, 64 

 Gelatin liquefaction, 56 

 Generation time, formula, 190, 399 



{See also Growth Rate.) 

 Genes, inactivation as cause of 

 death, 284 

 number of, per cell, 259 

 size of, 259 

 Glutathione, as cause of oxido- 

 reduction, 97 

 reduction potential, 88 



Glyceric aldehyde in fermenta- 

 tions, 45 

 Glycerol formation by yeast, 50 

 Growth and fermentation, 180, 

 204, 246, 265 

 and multiplication, 6, 162 

 catalysts, 215 



number per cell, 259 

 cessation of {see Endpoint of 



Growth), 

 constant, 109, 403 

 Growth curves, 192, 404 



mathematical formulation 

 of, 198 

 endpoint of {see Endpoint of 



Growth), 

 optimum temperature, 216 

 maximum temperature, 216 

 measurenent of, 162 

 mechanism, 257 

 complexity of, 264 

 simpler of parasites, 264 

 minimum temperature, 157, 



223 

 products, intermediate, 263 

 temperature coefficient of, 

 214, 221 

 Growth-inhibiting cell products, 



234 

 Growth-producing agents, 215, 259 

 chemical stimulation of, 227 

 computed from fermentation 



products, 191 

 constant, 109, 403 

 decrease of, 199 

 inhibition by poison, 227 

 methods of measuring, 189 

 rate and building material, 204 

 different foods, 204, 265 

 endpoint of growth, 231 

 energy supply, 205, 211 

 food concentration, 203 

 oxygen, 209 

 temperature, 194, 213 



