TOPICAL SUBJECT INDEX
459
chemistry of, IV, 565
extraction and properties of, II, 275284
interaction with actin, II, 284-288
Myosin-adenosine triphosphatase, properties of, II, 307-310
Myriapods, sterols of, III, 133-134
Ν
Naphthoquinones, occurrence of, III,
643-648, 658-659
Nasal glands, chloride exchange by, V,
498, 501
Natriferic activity, frog skin and, VI,
304, 305, 316
Nemathelminthes, porphyrins in, IV,
575, 581
Nemertinea, porphyrins in, IV, 575, 581
Neospongosterol, III, 117, 118, 124, 128
Nerve, phospholipid in, III, 237, 241,
268
Nervous system,
pentose phosphate cycle in, VII, 21-22
porphyrins in, IV, 603-604
Neurohumors, chemical nature of, VI,
248
Neurohypophyseal hormones,
action,
in amphibia, VI, 303-304
in birds, VI, 303
in fish, VI, 304
in mammals, VI, 302-303
in reptiles, VI, 303
biological properties of, VI, 302-304,
313
chemistry of, VI, 308-313
evolution and, VI, 313-316
purification,
batrachians, VI, 307-308
bird, VI, 307
fish, VI, 308
mammals, VI, 304-307
Neurosecretion, products of, VI, 256-270
Neurosecretory cells,
activity, control of, VI, 268-269
other hormones of, VI, 269-270
Neurosecretory hormone, processes controlled by, VI, 266
Neurospora,
hydroxylamine reductase of, V, 155,
156
nitrite reduction by, V, 127-128
Nicotinamide, electron transport and,
VI, 187-188
Nitrate,
animal tissues and, V, 188
assimilation of, V, 109-115
distribution of, V, 93-95
formation, heterotrophs and, V, 188189
metabolism,
conclusions, V, 118-120
general remarks, V, 95-98
reduction,
anaerobic, V, 117-118
animal tissues and, V, 188
photochemical, V, 115-117
types of, V, 96-97
Nitrate reductase,
free energy and, II, 183-184
nitrate respiration and, V, 98-105
Nitrification,
biochemistry of, I, 368-371
free energy and, II, 181-182
hydroxylamine and, V, 156-157
nitrite and, V, 132-133
Nitrite,
distribution of, V, 120-121
formation, heterotrophs and, V, 188189
metabolism,
nitrate assimilation and, V, 127-130
nitrate respiratory and, V, 121-127
nitrification and, V, 132-133
photochemical nitrate reduction and,
V, 131-132
Nitrite reductase,
distribution of, II, 184
nitrite metabolism and, V, 127-129
Nitrobacter, nitrification by, V, 132-133
Nitro compounds, metabolism of, V,
185-188
Nitrogen,
cycle, II, 162, 163
distribution of, V, 134-137
fixation, V, 270
aerobic, V, 138
459
chemistry of, IV, 565
extraction and properties of, II, 275284
interaction with actin, II, 284-288
Myosin-adenosine triphosphatase, properties of, II, 307-310
Myriapods, sterols of, III, 133-134
Ν
Naphthoquinones, occurrence of, III,
643-648, 658-659
Nasal glands, chloride exchange by, V,
498, 501
Natriferic activity, frog skin and, VI,
304, 305, 316
Nemathelminthes, porphyrins in, IV,
575, 581
Nemertinea, porphyrins in, IV, 575, 581
Neospongosterol, III, 117, 118, 124, 128
Nerve, phospholipid in, III, 237, 241,
268
Nervous system,
pentose phosphate cycle in, VII, 21-22
porphyrins in, IV, 603-604
Neurohumors, chemical nature of, VI,
248
Neurohypophyseal hormones,
action,
in amphibia, VI, 303-304
in birds, VI, 303
in fish, VI, 304
in mammals, VI, 302-303
in reptiles, VI, 303
biological properties of, VI, 302-304,
313
chemistry of, VI, 308-313
evolution and, VI, 313-316
purification,
batrachians, VI, 307-308
bird, VI, 307
fish, VI, 308
mammals, VI, 304-307
Neurosecretion, products of, VI, 256-270
Neurosecretory cells,
activity, control of, VI, 268-269
other hormones of, VI, 269-270
Neurosecretory hormone, processes controlled by, VI, 266
Neurospora,
hydroxylamine reductase of, V, 155,
156
nitrite reduction by, V, 127-128
Nicotinamide, electron transport and,
VI, 187-188
Nitrate,
animal tissues and, V, 188
assimilation of, V, 109-115
distribution of, V, 93-95
formation, heterotrophs and, V, 188189
metabolism,
conclusions, V, 118-120
general remarks, V, 95-98
reduction,
anaerobic, V, 117-118
animal tissues and, V, 188
photochemical, V, 115-117
types of, V, 96-97
Nitrate reductase,
free energy and, II, 183-184
nitrate respiration and, V, 98-105
Nitrification,
biochemistry of, I, 368-371
free energy and, II, 181-182
hydroxylamine and, V, 156-157
nitrite and, V, 132-133
Nitrite,
distribution of, V, 120-121
formation, heterotrophs and, V, 188189
metabolism,
nitrate assimilation and, V, 127-130
nitrate respiratory and, V, 121-127
nitrification and, V, 132-133
photochemical nitrate reduction and,
V, 131-132
Nitrite reductase,
distribution of, II, 184
nitrite metabolism and, V, 127-129
Nitrobacter, nitrification by, V, 132-133
Nitro compounds, metabolism of, V,
185-188
Nitrogen,
cycle, II, 162, 163
distribution of, V, 134-137
fixation, V, 270
aerobic, V, 138