INDEX 



485 



Enzvmes activity, measuremeut of, 

 ■^46 



— adaptive, 89 



speed of production, 9G 



— adsorption of, 45 



— anti-enzymes, 50 



— as catalysts, 38 



— chemical nature of, 40 et seq. 



— classification, 52 



- — colloidal carriers, 41 

 nature, 39 



— constitutive, 89 et seq. 



— crystalline, 41 



— crystallisation of, 45 



— effect of concentration, 4G 

 of heat, 47 



of^jH, 48 



of substrate concentration, 47 



-on equilibrium of reactions, 39 



on velocity of reactions, 39 



— endo-cellular,^ 53, 189 



— exo-cellular, 53, 188 



— inhibition by carbon monoxide, 49 

 by chloroform, 49 



by cyanide, 49 



by drugs, 135 



by heavy metals, 49, 135 



by substrate analogues, 135, 196 



by sulphides, 49 



by urethane, 49 



■ — isolation of, 38 



— nomenclature, 52 



— physical properties, 43 el seq. 



— prosthetic groups of, 41 et seq. 



— purification, 45 



— relation to cells, 38 



— reversible effect of, 40 



— separation, 44 



— specificity, 50 



— stability, 40 



— synthesis by, 40 



— theories of action, 53 



— units, 46 



— yariability of content in micro- 



organisms, 95 



— Warburg's yellow enzyme, 41, 42 

 Epitoxoid, 443 



Epitoxonoid, 444 

 Equivalence point, 450 

 Erdin, 306 



Ergosterol, 372 



— as antigen, 404 



— in fungi and yeasts, 63, 377 

 Ergosteryl palmitate, 63, 378 

 Erythroglaucin, 395 



EschericJiia coli, action of sulphona- 

 mides on, 139, 140 



activation of hydrogen dona- 

 tors by, 194, 195, 209 



adenine triphosphate in, 72 



anaerobic growth, 208 



aneurin in, 103 



carbohydrates of, 362 



carbon dioxide fixation, 25!) 



— and succinic acid for- 

 mation, 260 



requirement, 82 



co-enzyme in, 107 



fermentation products of, 248, 



250 



growth in sjoithetic media, 82 



■ inhibition by indole-acrylic acid, 



147 



— P-naphthjd-acrylic acid, 148 



— — ■ — pyrithiamine, 151 



sulphanilamide, 149 



metabolism, 81 



production of indole, 233 



sterols in, 377 



— • — v-ariants, 89, 96 



yitamins in, 65, 115 



water content, 58 



Eserine, inhibition of esterase, 135 



Ethyl acetate, 303 



Ethyl alcohol, detection, 464 



production by bacteria, 249, 



251, 312 



■ — by fungi, 302 



— by yeasts, 262 et seq. 



Ethyleneoxide-a- P'dicarboxylic acid, 



284 

 Euglobulin, 424 



— solubility, 60 

 Exacting strains, 83, 96 

 Exo-enzymes, 53 



Fats, 369 



— of yeast, 63, 371 



— staining by dimethyl-amido-azo- 



benzene. 62 



