SUBJECT INDEX 



975 



allometry, chemical, 232 



— coefficient, 227 



— constant, 141 



— , evolutionary, 228, 240 



— , interspecific, 241 



— , intraspecific, 241 



— , mathematical formulations of 



evolutionary — , 251 

 — , morphological applications, 229 

 — , negative, 240 

 — , ontogenetic, 228 

 — , positive, 240 

 — , — ontogenic, 241 

 alloxan, 426 



allylglycine, vegetalizing effect, 505 

 alveolar adenoma, 852 

 Ambystoma, 409, 419 

 Ambystoma mexicanum, 525 

 Amblystoma opacum, 669 

 a-methopterin, 910 



— as chromosome breaking agent, 939 

 amiboid movements, 341 



amide group of glutamide, transfer, 85 

 Amieiirus, 602 

 D-amino acid, 13 

 L-amino acid, 13 



amino acid, activation of — prior to fixa- 

 tion in templates, 285 



— analogues, 936 



— analogues, mitotic inhibition by, 928 



— in animal tissue, transfer of N-atoms of, 84 



— antagonists inhibiting ribonucleic acid 

 formation, 937 



— , biosynthesis, 53 



— , biosynthesis of aromatic — , 66 



— , building blocks with free — , 284 



— compounds affecting genie components 

 of the cell, 862 



— compounds as carcinogens, 862 



— determination of — s necessary for the 

 maintenance of nitrogen equilibrium, 55 



— , distribution of free — in tissues, 53 



— , enzymatic incorporation of labelled — 



into proteins of liver homogenates, 44 

 — , essential — s, 55 

 — , free — pattern in Yoshida ascites tumor, 



896 

 — , free — pool of the cell, 285 



— incorporated into reticulocytes protein, 

 296 



— , incorporation of — , into the mitochon- 

 drial proteins, 513 



— , intracellular pools of, 53 



— , key — s, 610 



— , maintenance of the — pool of the cell, 

 530 



amino acid metabolism in tumors, 899 

 — , peptide bond formation in the incorpo- 

 ration of — into protein, 44 



— as precursors in PFS, 498 



— , protein precursors larger than — , 497 

 — , quantitative changes in — in amphibia 

 blastula, gastrula and neurula, 737 



— relationships, 54 



— synthesis of the carbon skeleton, 56 



— synthesis, organic oxime intermediates, 82 



— synthesis, transamination and, 86 



— of tumors, patterns of the free — , 54 

 — , uptake of labelled — in chick embryo, 



500 

 — , uptake in tumors of labelled — or related 



metabolites, 899 

 — , utilizing of — in embryos, 496 

 aminoacyl-adenosine monophosphate 



compounds, 928 

 2-aniinoadenosine, as mitose inhibitor, 935 



— suppressing mitosis in mouse sarcoma 

 180 cultures, 945 



— triphosphate, 933 

 a-aminoadipic acid as intermediate in 



lysine synthesis in Neurospora, 76 

 aminoadipic acid pathway of synthesis, 2, 76 

 aminoamfol as chromosome breaking agent, 



939 

 o-aminoazotoluene inducing hepatic 



tumors, 840, 861 

 /^-aminobenzoic acid, 94, 1 19, see also PABA 

 y-aminobutyric acid levels in brain tissue, 54 

 aminofumaric acid as precursor of 



pyrimidine, 98 

 aminoimidazolecarboxamide, 94, see also 



AICA 

 4-amino-5-imidazolecarboxamide, 933 

 5-aminoimidazolecarboxamide ribotide, 



57, 94, see also AICAR 

 5-aminoimidazole ribotide, 94 

 5-amino-4-imidazole ribotide synthesis, 87 



N-succinylo-carboxamide ribotide, 41 



aminoketones, effects of — as analogs of 



leucine, 502 

 ^-aminolevulinic acid, protoporphyrin 



synthesis from, 90 

 2-amino-i-naphthol carcinogenic inetab- 



olite in urinary bladder tumors, 862 

 a-amino nitrogen, aspartic acid and the 



transfer of, 87 

 amino nitrogen, free — in extract of tumor 



tissue, 896 

 wz-aminophenylsulfate, 41 

 aminopterin, arresting metaphase of 



mitosis, 929 



— as chromosome breaking agent, 939 



