642 



Subject Index 



Chlorophyll, oxygen transfer in light, in 



aqueous Solutions of thiourea, hydro- 

 quinons, and ascorbic acid, 595 

 Compensation of respiration in measure- 



ments of quantum requirement of photo- 



synthesis, 108, 109 

 Cytodeuteroporphyrin, 178 



tribromo derivative, 187 

 Cytohemin, from heart muscle, 175 



Deficient respiration of Cancer cells, polem- 



ics against, and replies, 335, 340, 344 

 Deuteroporphyrins, syntheses, 189 



Embryonic metabolism, transformation to 



cancer metabolism, by a chemical factor, 



562 



during in vitro culture, 539, 548 

 Ethylenediaminetetraacetic acid, addition 



of, to crystallize enzymes, 223 



as stabilizer of H 2 2 , 585 



Fermentation enzymes, in the blood of 

 tumor-bearing animals, 71 

 crystallization and optical tests, 47 



Ferricyanide, development of oxygen in 

 illuminated Chlorella, 316 

 reduction by living Chlorella in the dark 

 and in light, 313 



Flavin nucleotide, demonstration of hydro- 

 gen transfer by fluorescence, 211 



Fluorescence, demonstration of biological 

 hydrogen transfer, 211, 212 



Fluoride, development of CO.> from Chlo- 

 rella, 347, 400, 567, 615 



Fluoride-induced respiration in Chlorella, 

 connected to resynthesis of glutamic 

 acid, 406, 611, 613 



Gas exchange of cells, measurement by 



two-vessel method, and equations, 111 

 Glutamic acid in Chlorella, discovery in 

 photosynthesis, 383 

 function in photosynthesis, 411, 567 

 inhibition of Splitting by hydrocyanic 



acid, 405 

 Splitting and resynthesis, 400, 609 

 stoichiometric relation, to aerobic CO.>, 

 409 



to Chlorophyll, 571 

 to oxygen capacity, 572 

 to the photolyte, 572 

 Glycollic acid in Chlorella, 458 



Harden-Youngs equation, 63 

 Hill reactions, light-induced respiration, 

 the key to the Hill reactions, 19 

 the necessary CO., pressures, 481 

 necessity of C0 2 , 435 

 Hydrocyanic acid, defined pressures in 

 manometry, 553 



inhibitor, of catalase in Chlorella, 465 

 of the catalysis of blue-green light, 255 

 of the decomposition of glutamic acid 



in Chlorella, 350, 405 

 of the Hill reactions at low oxygen 



pressures, 464, 465 

 of "light phosphorylation" at low oxy- 

 gen pressures, 465 

 of photosynthesis, 617 

 of the second step of the synthesis of 

 the photolyte in Chlorella, 615 

 no inhibitor, of the Hill reactions at 

 higher oxygen pressures, 464, 465 

 of "light phosphorylation" at higher 

 oxygen pressures, 465 

 Hydrogen peroxide, action on embryonic 

 and cancer cells, 501 

 in illuminated Chlorella, 467, 606 

 inhibition of fermentation, 521 

 Hydroxy-tyramine, a biological oxidation 

 catalyst of photosynthesis, 583 



Iron oxygenase (oxygen-transferring en- 

 zyme), demonstration, 208 



Lactic acid determination, optical, 545 



D-Lactic acid in Chlorella, 423 



Leaves, green, quantum requirement per 

 molecule of oxygen developed, 542 



Leucocytes, metabolism, 509, 557 



Light absorption in Chlorella, measure- 

 ment, with the quanta-actinometer, 132, 

 145 

 with the Ulbricht sphere, 257 



Light beam, partition, by four prisms, 140 

 by mirror, 205 



Light-induced respiration of Chlorella, 

 discovery, 137 

 measurement, 274, 289, 421 



Light intensities, high, and high quantum 

 yields, 202, 268 



"Light phosphorylation", see phosphoryl- 

 ation by dehydration 



Manometric vessels, to change from aerobic 

 to anaerobic conditions, 564 



