Chromatium, 



cell-free preparations, effect of cofactors 

 on photophosphorylation in, 349- 



351. 

 light-induced oxidations of cyto- 

 chromes in, 357-359 

 nitrogen fixation by, 381-383 

 photoassimilation of acetate in, 366- 

 369 

 with Ho as reductant, 369-371 

 reduction by succinate in, 371-374 

 reduction of cytochromes in, effect of 



vitamin K on, 359-360 

 carbon dioxide fixation by, effect of 

 nitrogen and ammonia on, 380- 



photofixation of X., by, 378-381 

 photoproduction of Ho by, 374-378 

 pyridine nucleotide reductase from, 

 401-402 

 Chromatophores, molecular composition 

 and function of, 279-283, 286, 289-290 

 Chromatophores, 



bacterial, light-induced pyridine nucleo- 

 tide reduction by, 301-303 

 relation of haem protein and photo- 

 chemical processes in, 277-292 

 cyclic photophosphorylation in, effect of 

 ferricyanide on, 356-357 

 effect of vitamin K on, 359-360 

 influence of chloride on, 355-356 

 of Rhodospirillinn nibrum formation in 

 the dark, 295-300 

 light-induced phosphorylation in, 43 i- 

 440 

 Chromosomes, in the mitotic cycle, 480- 

 481 

 reproduction of, 477-480 

 Cilia, structure and function of, 557-566 

 Citrate, effect on ascorbate-induced Ivsis, 



57-58 



Clark oxygen electrode, 71 



Coenzyme Q (see Ubiquinone) 



Ctenophore (Mnemiopsis leidyi), swimming- 

 plate cilia of, structure and function 

 of, 563, 565 



Cyanide, effect on ascorbate-induced lysis, 



56, 59 



effect on mitochondrial oxidations of 



extramitochondrial TPNH, 170-172 



effect on succinate-linked reduction of 



acetoacetate, 161-163 

 effect on vitamin Kj-stimulated oxida- 

 tion of glucose 6-phosphate, 1 70-1 71 



Cysteine, swellmg effect on isolated mito- 

 chondria, 53-54 



Cysteine sulphinate, and mhibition of suc- 

 cinate oxidation, 198-201 



Cytidine, tritiated, incorporation into RXA 

 in Tetrahymoia, 527-534 



Cytochrome, 



concentrations in mitochondrial pre- 

 parations, compared with ubiquinone 

 concentrations, 185-186 

 effect of ATP on, 233-237 



2U2 



SUBJECT INDEX 659 



Cytochrome, 



energy-linked oxidation of, general 

 features, 1 28-1 31 

 light-induced oxidations of, 357-359 



Cytochrome oxidase, activities in pig heart 

 muscle preparations, effect of extrac- 

 tion with organic sohent, 182-184 



D 



Dehydroascorbate, effect on absorbancy of 

 mitochondrial suspensions, 63-64 



effect on ascorbate-induced lysis, 64 

 Deoxyribonucleic acid (DNA), role in 

 synchronized Tetrahymena system, 

 540-541 



synthesis, and cell division, 476-477 

 and reproduction of chromosomes, 

 477-480 

 Desaminothyroxine, effect on adenylate 

 kinase reaction, 17 



effect on ATP-ADP exchange, 16-17 



effect on AT Pases, 18 



effect on DPXH-cytochrome c reduc- 

 tase, 20 



effect on DPNH oxidase, 19-20 



effect on DT diaphorase, 20-21 



effect on liver ATPase reactions, 8-15, 

 16-17, 20 



effect on li\er mitochondrial P^-ATP 

 exchange, i 5 



effect on liver respiration and phosphon.-- 

 lation, 21-24 

 Diaphorase, comparison with DPNH de- 

 hydrogenase, 1 1 5-1 1 6 



reactions, effects of thyroxine and re- 

 lated compounds on, 18-21 

 Dicoumarol, 



and effect of ATP on, pyridine nucleo- 

 tide reduction, 1 51-153 

 succinate oxidation, 151-153 



effect on mitochondrial oxidation of 

 extramitochondrial TPNH, 170-172 



effect on mitochondrial respiration in 

 presence of amytal, 141-142 



effect on respiration of liver slices, 174- 

 176 



effect on submitochondrial diaphorase 

 activity, 144-145, 150 



effect on succinate oxidation, 194-195 



effect on vitamin Ks-stimulated oxida- 

 tion of glucose 6-phosphate, 170-171 

 Dihydroxyfumarate, effect on absorbancy 

 of mitochondria suspensions, 63-64 



effect on ascorbate-induced lysis, 64 

 Dihydroxymaleate, effect on absorbancy of 



mitochondria suspensions, 63-64 

 2 : 3-Dimercaptopropanol (BAL), effect on 

 inhibition of glutamate oxidation, 75- 

 76 

 2 :4-Dinitrophenol (DNP), as catalyst for 

 cyclic photophosphorylation, 443-446 



effect on ascorbate-induced lysis, 57 



effect on ATP-ADP exchange, 15, 34- 

 47 



