SUBJECT INDEX 



921 



effects of temperature on responses to, 



780-782 



effects on brain slice respiration, 458 



on heart slice respiration, 458 



on liver metabolism, 458 



Antagonism, 

 between urethane and sulfanilamide on 

 bioluminescence, 510-511 

 definition of, 507-508 

 isobolograms for, 508-509 

 of fluoroacetate by malonate, 502-503 



Anticompetitive inhibition, see Coupling 

 inhibition 



Antigen-antibody reactions, 



dilatation of antibody cavities, 202, 263 

 entropy changes in, 266-267 

 liberation of water in, 267 

 thermodynamic constants of, 266 



Antimycin A. 



on electron transport, 346, 518 

 on tumor succinate oxidase, 81 

 respiration resistant to, 346 

 spectroscopic changes produced by, 518 

 titration of succinate oxidase, 80 



Antiphosphatase, inhibition of phospha- 

 tase in intact yeast, 434 



Apoenzyme, definition of, 50 



Arbacia eggs, 



inhibition of cleavage by urethane, 



effects of temperature on, 790-791 

 stimulation of respiration by quinones, 

 452 



Aromatic compounds, interactions of. 

 297-299 



Arsenicals, 



inhibition of Colpidium, reversal by 

 thioglycolate, 646 



of keto acid oxidation, 10 

 specificity of, 877 



of pyruvate oxidation, 5 



of succinate oxidase, rate of, 547, 549 



of sulfhydryl enzymes, 9 

 lethal action on trypanosomes, 



kinetics of, 598-599, 601 

 poisoning by, reversal by dimercaprol, 

 646 



resistant pathways of pyruvate meta- 

 bolism, 449 

 role of permeability in action of, 403 



Arsenite, 



concentrations in tissues, 395 



entrance into fly larvas, effect of pH on, 



721-722 



inhibition of erythrocyte respiration, 8 

 of fermentation, effect of fermenta- 

 tive rate on, 861-862 

 of respiration, effect of respiratory 

 rate on, 861-862 



of succinate dehydrogenase, effect 

 of temperature on, 749 

 of tumor growth, 861 



lethal action on paramecia, kinetics of, 



600 



stimulation of diatom respiration, 452 

 of hexose diphosphatase, 452 

 of malate dehydrogenase, 452 

 of papain, 452 

 of P,-ATP exchange, 452 

 of spermatozoal respiration, 452 

 of trichomonal respiration, 452 

 of uricase, 452 

 of yeast respiration, 452 



Arylamine transacetylase, product inhi- 

 bition, 145 



Arylsulfatase, 



activation by anions, 834 

 inhibition by phosphate, 839 



Ascites tumor cell, metabolic controls of, 

 461 



Aspergillus niger, respiration of, 



rate of inhibition by heavy metals, 



581-582 



Atabrine, see Quinacrine 



Atomic charge, of bonded atoms, 220 



Atomic polarization, definition of, 217 



Atomic refraction, 219 



ATP, see Adenosinetriphosphate 



ATPase, see Adenosinetriphosphatase 



ATP-Pj transphosphorylation, effect of 

 enzyme on, 198 



