lOIO 



SUBJECT INDEX 



perinuclear process of secondary 

 vitellogenesis, 315 



Periophthalmns, 245 



perivitelline space, 718 



— , selective — of the cell membrane, 7 1 3 



permeability of embryonic cells to large 

 molecules, 497 



— , selective — of the mitochondrial mem- 

 brane, 29 



permeation as regulating factor in anabolic 

 processes, 216 



peroxidase, 22 



— in plant cells, 790 



— in Walker carcinoma, 893 

 petioles, 756 



PFS (protein forming system), 496 



PFS of differentiated and embryonic cells, 



507 

 PGA, 120 



pH, lowered — in animal tumors, 886 



pH, effects of — on tissue culture, 559 



phage Ti, 298 



phagocytosis, 633 



pharyngeal endoblast, 371 



as secondary inductor for the heart, 



453 

 phenanthrene structure of carcinogenic 



hydrocarbons and sex hormones, 858 

 phenocopies, 716 

 phenol oxidases as terminal respiratory 



catalysts in plants, 24 

 phenol-oxidizing system of human 



melanomas, 914 

 phenomenological laws, 152 

 phenotypical compensation, 246 

 phenoxyacetic acid, 802 

 a-phenoxyisobutyric acid, 802 

 phenylacetic acid, 802 

 phenylalanine, 12, 65, 280, 455 

 — , incorporation of — in amoebae, 282 

 less E, coli mutant, 67 



— as precursor of protein, 296 

 /)-phenylenediamine oxidative response in 



tumor cells, 884 

 phenyllactic acid, vegetalizing effect, 505 

 phenylmercuric salts as plant growth 



inhibitors, 783 

 phloem parenchyma, 771 

 phlorizin poisoning, 685 

 Phoronis, 598, 599 

 phosphatase, acid, 525 



— activity, in regeneration, 614 

 , relation of to yolk platelet 



utilization, 499 

 — , alkaline, 525 

 phosphatases, 683 



phosphatases, beryllium basic acetate as a 



specific inhibitor of — , 460 

 phosphate acceptors in mitochondrial 



oxidation, 31 



— bonds, activating reactions of energy- 

 rich , 36 



, generation of energy-rich , 27 



, high-energy, 150 



, storage of high-energy , 33 



— esters, free energy of hydrolysis, 38 

 phosphatidic acid forination, 107 

 phosphoarginine, 37 

 phosphocholine, 35 

 phosphocreatine, 37, 961 

 phosphoenolpyruvate, 8, 28 



— , synthesis of dicarboxylic acids from 



pyruvate and — , 8 

 phosphoglucomutase of yeast and muscle, 



97 

 phosphogluconate pathway, 52 



of glucose oxidation, 49 



6-phosphogluconate, 15 



— dehydrogenase activity in tumors, 891 



— metabolism with 2-keto-3-deoxy-6- 

 phosphogluconate as intermediate, 53 



— metabolism of Pseudomonas saccharophila, 



53 

 6-phosphogluconic acid, 5, 1 1 

 phosphogluconic dehydrogenase pathway, 



53 

 phosphoglucomutase, 786 

 phosphoglyceraldehyde dehydrogenase, 782 

 2-phosphoglyceric acid, 786 

 3-phosphoglyceric acid, oxidation of 



glyceraldehyde phosphate to — , 27 

 phosphohydroxypyruvate, conversion of — 



to serine, 61 

 phosphoketopentose epimerase, 48 

 phospholipid biosynthesis, 106 



— fractions of liver tumor, 880 



— synthesis, 38 



— turnover in regenerating liver, 619 

 phosphomonoesterase, 333 



— , acid, 340 

 phosphopantetheine, 34 

 phosphoprotein-phosphatase activity and 



yolk platelet utilization, relation, 476 

 phosphopyruvic acid, 786 

 phosphor balance of gastrula, 349 

 phosphoribose isomerase, 48 



— mutase, catalyzing synthesis of 

 nucleosides, 96 



phosphoribosylamine, 85 

 5-phosphoribosyl- 1 -pyrophosphate ( PRPP) 



as donor of two carbon atoms, 68 

 phosphoribulokinase, 914 



