1022 



SUBJECT INDEX 



transfer of large molecules to the embryo, 



719 



— of nitrogen atoms of amino acids in 

 animal tissue, 84 



— reactions, nucleotide , 38 



, XMP, 35 



> pyrophosphate, 35 



transformation, 238 



— , harmonious — of the organism-as-a- 



whole, 245 

 transforming principle, 520 



of the mesoderm, 52 1 



transformation process, 390 

 transhydrogenase, 12 

 transketolase, 4, 5 



transketolase-transaldolase pathway, 48 

 — - — of pentose formation, 50 

 transmethylase, 74 



— reactions, 75 

 trans-N-glycosidation, loi 

 transpeptidation reactions, 728 

 transphosphorylation, 676 



— reaction, nucleotide , 28 



traumatic acid, 772 



trephones, 554, 637, 666 



tributyrinase, 721 



tricarboxylic acid cycle, 2, 7, 8, 29, 



160, 786, 885, 889 



, synthesis of catalysts, 41 



— intermediates, 680 



2,3,6-trichlorobenzoic acid, 764 

 2,4,5-trichlorophenoxyacetic acid, 763 

 2,4,6-trichlorophenoxyacetic acid, 765 

 Trichomonas vaginalis, 936 

 triiodobenzoate, 782 

 2,3,5-triiodobenzoic acid, 765 

 triiodothyronine in Ehrlich mouse ascites 



carcinoma, 896 

 Trillium, 769 

 Triops, 604 

 tripeptidase, 525 

 triphosphopyridine nucleotide (TPN*), see 



TPN 

 tritomerit. 368 

 tritoneuron, 368 

 Triton palmatus, 292 



— alpestris, 498 



— helvelicus, 355 

 Triturus, 665 



— alpestris, 511, 727 



— cristatus, 399, 5 1 6 



— palmatus, 5 1 6 



— pyrrhogaster, 375, 398, 425 



— rivularis, 409 



— tigrinum, 477 



— toeniatus, 399 



Triturus torosus, 477, 669 

 — , lens of eye of — , 614 



— neurula, 353 

 trophoblast, 327 



trunk organizer, Spemann's, 376 



trypsic dissociations of the caudal bud, 461 



trypsin, 518 



— dispersed tissue cultures, 573 



— as inhibitor of induction, 290 

 tryptophanase, 114 

 tryptophane, 65, 760 



— , conversion of — to lAA by direct 



oxidative desamination, 762 

 — , metabolic pathway of conversion of — 



to nicotinic acid, 1 16 



— peroxydase, 1 1 6 



— , terminal steps in — synthesis, 67 

 tryptophaneless mutant of E. coli, 67 

 tryptamine, 763 

 TSH (pituitary thyrotrophic hormone), 



824 

 TTP, 106 

 Tubifex, 604, 616 

 — , polarized changes of form in the egg 



of— 318 

 Tubularia, 16 

 — , inhibitor of the — hydranth formation, 



639 

 Tunicata, 590 



Turbellaria rhabdocoele, 591 

 tumbling tube cultures of mouse 



lymphosarcoma, 574 

 tumor, ATPase and DPNase activity in — 



mitochondria, 895 



— cells, DNA and RNA content, 157 

 , enzymatic depolymerization of 



deoxyribonucleoproteins, 91 1 



, glycolysis and respiration, 881 



, nucleic acid metabolism, 906 



, nucleic acids and nucleoproteins, 902 



— , differential diagnosis of certain types, 



579 

 — , dipeptidase and cathepsin activities in 



central areas, 913 

 — , DNA and RNA in — cell nuclei, 904 

 — , DNP:DNPH ratios in — tissues, 894 

 — , genetically determined — producing 



gonadotrophin response of testicular 



tissue, 834 



— growth, effects of steroid hormones, 842 

 , influence of dietetic factors, 231 



— inability to synthesize aspartate and 

 glutamate, 899 



— inciting agents, 823 



— induced by the administration of 

 urethane, 857 



