lOOO 



SUBJECT INDEX 



a-ketoglutarate as amino acceptor in trans- 

 amination reactions, 84 



— oxidation in tumor mitochondrial 

 preparations, 8gi 



— , phosphorylation coupled to the 

 oxidation of — , 28 



— regeneration by [3-sulfinylpyruvate, 65 

 a-ketoglutaric acid, 11, 762 

 2-ketoinositol, 10 



a-ketoisocaproic acid, 22 



a-ketoisovalerate, 10, 68, 117 



ketopantoate, 1 1 7 



I i-ketoprogesterone, 12 



3-ketosteroid, 10 



a-ketothiolase, 6 



key amino acids, 610 



kidney, accumulation of colloid in tubulus 



with atrophy of lining epithelium in — 



in senescence, 964 

 kinase enzymes, 97 

 kinematic regulation in newt gastrula and 



Discoglossus egg, 379 

 kinetic aspects of intrinsic morphochoresis, 



34| 

 kinetics, dominants of, 342 



— of open systems, 145 

 kinetin, 272, 758, 933 



— and auxin interaction, 774 

 kinetosome system of ciliate Protozoa 



and Flagellates, 641 

 kinetosomes, 534 

 kinin, 753 



K* ions, effect of — on plant growth, 787 

 Knudsen effect, 154 

 kombinative Einheitsleistung, Lehmann's, 



357 

 Krebs cycle, see tricarboxylic acid cycle 

 kynureninase, 116 

 kynurenine, 1 16 

 L-kynurenine, 12 



Lacerta, 185 



— agilis, 427 



lactate metabolizing through tricarboxylic 



acid cycle to oxalacetate, 71 

 lactic acid production, by leukemic 



leukocytes, 885 



by rabbit macrophages, 575 



L-lactic acid, 10 



lactic dehydrogenase, 16 



activity increased by thyroxin, 634 



Lactobacillus, 91 



— arabinosus, 43, 78 



— bulgaricus, 100 



— casei, 1 20 



, growth factor, 723 



Lactobacillus helveticus, loi 



— pentosus, 48 



— plantarum, 5 S, 120 



lag phase of epithelium growth curve, 677 



Lamellibranchiae, 180 



lanoline, 754 



lanosterol, 12, 1 10 



Larix, 812 



lateral plate, 350 



leaf primordia, 749 



Leander, 599 



leaves, growth, 797 



least-square method to calculate growth 



data, 192 

 Lebistes, 244, 309, 315 



— reticulatus, 185, 189, 199, 218 

 Le Cha teller, principle, 145 

 lecithin, enzymatic synthesis, 107 

 lecithocoele, 326 



Lemna, 801 



lens induction, 451 



— organizin, 478 



— proteins, 518 



, production of by iris cells, 520 



, synthesis of specific , 450 



lenticells, 780 



leptomeninx, 454 



lethal Rana combinations, 292 



leucine, 22, 68 



— , conversion of— to [i-methylcrotonyl- 



CoA, 108 

 — , effects of aminoketones as analogs of ^ — , 



502 

 — , oxidation of — by amino acid oxidase, 



22 



— synthesis by condensation of acetate 

 with ketoisovalerate, 7 1 



D-leucine activating peptidase activity in 



malignant tumors, 901 

 ^/-leucine, vegetalizing effect, 505 

 leucoanthocyanin, 772, 773 

 leucocytes, leukemic, 82 

 — , concentration of polymorphonuclear — 



within wound area, 698 

 leucovorin, 94 



leucocyadinin monoglucoside. 772, 773 

 leukemia incidence increased by 



castration, 837 



— induction by exogenous estrogen, 837 

 — , spontaneous, 837 



leukemic leukocytes, 82 



, lipoids of human myeloid and 



lymphatic , 880 



, aerobic and anaerobic 



phosphorylation in , 891 



, production of lactic acid by , 885 



