TOPICAL SUBJECT INDEX
451
Histidine deaminase, ammonia and, V,
180
Histone(s), deoxyribonucleic acid and,
IV, 131-133
Holothurioidea, quinones in, III, 690
Homobetaine, biochemistry of, I, 196197
Homocysteine, V, 55
Homogentisic acid,
formation of, IV, 261-263, 388
metabolism of, IV, 263-264, 305
Homoiotherms, thermal requirements of,
I ? 494-497
Homoserine, occurrence and properties
of, V, 34-35
Homoserine dehydrase, ammonia and,
V, 181
Hormones,
amino acid sequences in, IV, 191-199,
231
amphibian behavior and, VII, 212214
behavior influenced by, VII, 205-207
bird behavior and, VII, 216-224
classification of, VI, 247-248
fish behavior and, VII, 210-212
general considerations, VI, 299-300
invertebrate, general considerations,
VI, 246-247
mammalian behavior and, VII, 224236
metamorphosis and, VI, 237-239
miscellaneous, permeability and, VII,
182-183
neurohypophyseal, permeability and,
VII, 179-182
nonneural, VI, 270-285
protein,
classification of, VI, 300-302
synthesis of, VI, 339-340
reptile behavior and, VII, 214-216
Horn, keratin of, IV, 363
Horny tissue,
chemical composition of, IV, 349-352
structural properties of, IV, 346-349
Human, hemoglobins of, IV, 213-214
Hyaluronidase (s),
conclusions regarding, III, 411-412
mechanism of, III, 410
occurrence of, III, 410-411, 414
properties of, III, 411
Hydration-dehydration, fatty acid oxidation and, I, 84-87
Hydrazine,
distribution of, V, 157
metabolism,
isonicotinoyl hydrazide and, V, 160
nitrogen fixation and, V, 157-160
Hydrocarbons, oxidation of, VI, 146
Hydrocortisone, proportion formed, III,
175
Hydrogen, oxidation of, I, 382-397
Hydrogenase,
chemo-lithotrophic bacteria and, I,
382-384
heterotrophic bacteria and, I, 386-388
hydrogen carriers and, I, 394-395
mechanism of, I, 393-394
nitrogen fixation and, I, 395-397
photosynthetic bacteria and, I, 384386
prosthetic group of, I, 392-393
properties of, I, 388-391
purification of, I, 391-392
Hydrogen bacteria,
free energy and, VI, 143-144
hydrogenase of, I, 382-383
Hydrolysis,
detoxification and, VI, 403-404, 434436
free energy of, I, 116-120
Hydroosmotic activity, frog and, VI, 303
α-Hydroxy-e-aminocaproic acid, isolation
of, V, 39
3-Hydroxyanthranilic acid, metabolites
of, IV, 303, 306-308, 312-313
γ-Hydroxyarginine, isolation of, V, 49
/?-Hydroxyaspartic acid, occurrence of,
V, 41
β-Hydroxybutyrate, oxidation of, I, 463,
465-467
N-Hydroxyethyl-/?-asparagine, occurrence
of, V, 42
/?-Hydroxyglutamic acid, occurrence of,
V, 42
γ-Hydroxyglutamic acid, occurrence of,
V, 42-43
451
Histidine deaminase, ammonia and, V,
180
Histone(s), deoxyribonucleic acid and,
IV, 131-133
Holothurioidea, quinones in, III, 690
Homobetaine, biochemistry of, I, 196197
Homocysteine, V, 55
Homogentisic acid,
formation of, IV, 261-263, 388
metabolism of, IV, 263-264, 305
Homoiotherms, thermal requirements of,
I ? 494-497
Homoserine, occurrence and properties
of, V, 34-35
Homoserine dehydrase, ammonia and,
V, 181
Hormones,
amino acid sequences in, IV, 191-199,
231
amphibian behavior and, VII, 212214
behavior influenced by, VII, 205-207
bird behavior and, VII, 216-224
classification of, VI, 247-248
fish behavior and, VII, 210-212
general considerations, VI, 299-300
invertebrate, general considerations,
VI, 246-247
mammalian behavior and, VII, 224236
metamorphosis and, VI, 237-239
miscellaneous, permeability and, VII,
182-183
neurohypophyseal, permeability and,
VII, 179-182
nonneural, VI, 270-285
protein,
classification of, VI, 300-302
synthesis of, VI, 339-340
reptile behavior and, VII, 214-216
Horn, keratin of, IV, 363
Horny tissue,
chemical composition of, IV, 349-352
structural properties of, IV, 346-349
Human, hemoglobins of, IV, 213-214
Hyaluronidase (s),
conclusions regarding, III, 411-412
mechanism of, III, 410
occurrence of, III, 410-411, 414
properties of, III, 411
Hydration-dehydration, fatty acid oxidation and, I, 84-87
Hydrazine,
distribution of, V, 157
metabolism,
isonicotinoyl hydrazide and, V, 160
nitrogen fixation and, V, 157-160
Hydrocarbons, oxidation of, VI, 146
Hydrocortisone, proportion formed, III,
175
Hydrogen, oxidation of, I, 382-397
Hydrogenase,
chemo-lithotrophic bacteria and, I,
382-384
heterotrophic bacteria and, I, 386-388
hydrogen carriers and, I, 394-395
mechanism of, I, 393-394
nitrogen fixation and, I, 395-397
photosynthetic bacteria and, I, 384386
prosthetic group of, I, 392-393
properties of, I, 388-391
purification of, I, 391-392
Hydrogen bacteria,
free energy and, VI, 143-144
hydrogenase of, I, 382-383
Hydrolysis,
detoxification and, VI, 403-404, 434436
free energy of, I, 116-120
Hydroosmotic activity, frog and, VI, 303
α-Hydroxy-e-aminocaproic acid, isolation
of, V, 39
3-Hydroxyanthranilic acid, metabolites
of, IV, 303, 306-308, 312-313
γ-Hydroxyarginine, isolation of, V, 49
/?-Hydroxyaspartic acid, occurrence of,
V, 41
β-Hydroxybutyrate, oxidation of, I, 463,
465-467
N-Hydroxyethyl-/?-asparagine, occurrence
of, V, 42
/?-Hydroxyglutamic acid, occurrence of,
V, 42
γ-Hydroxyglutamic acid, occurrence of,
V, 42-43