474
TOPICAL SUBJECT INDEX
Trehalose,
occurrence of, III, 318, 332-336
synthesis of, II, 118-119
Tricarboxylic acids, reactions of, V, 220222
Tricarboxylic acid cycle,
reactions V, 243-246
synthetic, V, 246-247, 288
Trichocysts, elongation of, II, 361-362
3,3',5'-Triiodothyronine, occurrence of,
V, 58
Trimethylsterols, types of, III, 119
Trioses,
phosphorylated,
origin of, V, 228-229
oxidation of, V, 229
Triterpenes,
important, structures of, III, 538
occurrence of, III, 577-585, 626-627
structures of, III, 510, 539-551
Tropomyosins,
amino acids in, IV, 207
characteristics of, II, 288-293
distribution of, II, 288-293
role of, II, 294-295, 329
Trypsin, structure and specificity of, IV,
201-202
Tryptophan,
hydroxytryptamine formation from,
IV, 324-325
hydroxytryptophan and, IV, 324
immediate precursors of, IV, 251-253,
256
metabolism, IV, 288-326
occurrence and properties of, V, 27-29
requirement for, VI, 157, 159-163
Tryptophanase, reaction of, II, 171
Tryptophan pyrrolase, induction of, IV,
294
Tumors,
glycolysis in, I, 426-428
pentose phosphate cycle in, VII, 50-55
Tunicates,
coagulation in, IV, 462
porphyrins in, IV, 591
water and electrolytes in, II, 421
Turbidity,
α-amylase and, III, 359
^-amylase and, III, 384
Turtle,
intestine, permeability characteristics
of, VII, 163-164
Tyrosine,
immediate precursors of, IV, 250-251,
256
metabolism, IV, 257-288, 388-389
mammals, IV, 273-275
microorganisms, IV, 286-288
plants and fungi, IV, 275-286
occurrence and properties of, V, 26—27
requirement for, VI, 156, 159, 160,
162, 163
Tyrosinosis, metabolic error in, IV, 261
U
Ubiquinone, electron transport and, VI,
190-191
Urea,
biosynthesis,
alternative cycles and, II, 224-226
energetics of, II, 203-209
enzymatic steps of, II, 195-203
historical, II, 193-195
phylogenetic survey of, II, 209-224
pyrimidine synthesis and, II, 226229
rate limiting step of, 208
excretion of, IV, 503-504, 506
Urea cycle enzymes, metamorphosis and,
IV, 505-509, 540, 549
Urease,
ammonia and, V, 180
distribution of, II, 176-177
ß-Ureidopropionase, ammonia and, V,
180
L-Ureidosuccinase, ammonia and, V, 180
Ureotelism, metamorphosis and, IV, 503509
Uridine diphosphate glucose-glycogen
transferase, glycogen synthesis by,
IV, 51, 54, 57
Uridine diphosphate glucose transglucosylase, polysaccharide synthesis
and, II, 125
Urine,
amylase in, III, 370, 383
chlorine in, V, 495, 499-501
TOPICAL SUBJECT INDEX
Trehalose,
occurrence of, III, 318, 332-336
synthesis of, II, 118-119
Tricarboxylic acids, reactions of, V, 220222
Tricarboxylic acid cycle,
reactions V, 243-246
synthetic, V, 246-247, 288
Trichocysts, elongation of, II, 361-362
3,3',5'-Triiodothyronine, occurrence of,
V, 58
Trimethylsterols, types of, III, 119
Trioses,
phosphorylated,
origin of, V, 228-229
oxidation of, V, 229
Triterpenes,
important, structures of, III, 538
occurrence of, III, 577-585, 626-627
structures of, III, 510, 539-551
Tropomyosins,
amino acids in, IV, 207
characteristics of, II, 288-293
distribution of, II, 288-293
role of, II, 294-295, 329
Trypsin, structure and specificity of, IV,
201-202
Tryptophan,
hydroxytryptamine formation from,
IV, 324-325
hydroxytryptophan and, IV, 324
immediate precursors of, IV, 251-253,
256
metabolism, IV, 288-326
occurrence and properties of, V, 27-29
requirement for, VI, 157, 159-163
Tryptophanase, reaction of, II, 171
Tryptophan pyrrolase, induction of, IV,
294
Tumors,
glycolysis in, I, 426-428
pentose phosphate cycle in, VII, 50-55
Tunicates,
coagulation in, IV, 462
porphyrins in, IV, 591
water and electrolytes in, II, 421
Turbidity,
α-amylase and, III, 359
^-amylase and, III, 384
Turtle,
intestine, permeability characteristics
of, VII, 163-164
Tyrosine,
immediate precursors of, IV, 250-251,
256
metabolism, IV, 257-288, 388-389
mammals, IV, 273-275
microorganisms, IV, 286-288
plants and fungi, IV, 275-286
occurrence and properties of, V, 26—27
requirement for, VI, 156, 159, 160,
162, 163
Tyrosinosis, metabolic error in, IV, 261
U
Ubiquinone, electron transport and, VI,
190-191
Urea,
biosynthesis,
alternative cycles and, II, 224-226
energetics of, II, 203-209
enzymatic steps of, II, 195-203
historical, II, 193-195
phylogenetic survey of, II, 209-224
pyrimidine synthesis and, II, 226229
rate limiting step of, 208
excretion of, IV, 503-504, 506
Urea cycle enzymes, metamorphosis and,
IV, 505-509, 540, 549
Urease,
ammonia and, V, 180
distribution of, II, 176-177
ß-Ureidopropionase, ammonia and, V,
180
L-Ureidosuccinase, ammonia and, V, 180
Ureotelism, metamorphosis and, IV, 503509
Uridine diphosphate glucose-glycogen
transferase, glycogen synthesis by,
IV, 51, 54, 57
Uridine diphosphate glucose transglucosylase, polysaccharide synthesis
and, II, 125
Urine,
amylase in, III, 370, 383
chlorine in, V, 495, 499-501