SUBJECT INDEX 



571 



Pyrimidine nucleosidases, polynucleo- 

 tide synthesis and, 383 

 Pyrimidine nucleoside hydrolases, spec- 

 ificity of, 317 

 Pyrimidine nucleosides, 



incorporation of, 338 



orcinol and, 126 

 Pyrimidine nucleotides, 



formate and, 403 



phosphate incorporation and, 400 

 Pyrimidine riboside phosphorylase, spec- 

 ificity of, 315-316 

 Pyrimidines, 



"active" derivatives, 387-391 



aldehyde and, 263 



analogs, morphogenesis and, 481 



azo coupling of, 78 



biosynthesis of, 295-306 



incorporation of, 331 



interconversion of, 382-383 



metabolism of, 407-408 



polynucleotide, precursors of, 349-353 



protein synthesis and, 490 



virus and, 420 

 Pyronin Y, 187 



nucleic acid polj'merization and, 53 

 Pyruvate, 250 



carbon dioxide and, 260 



nuclei and, 136 



phosphate incorporation and, 430 



ribose fermentation and, 269 



uric acid excretion and, 278 



Quinoline, pentose nucleic acid and, 53 



Radiation, nucleic acids and, 40, 406-407 

 Refractive index, ultraviolet absorption 



and, 88-89 

 Reticulocytes, 



amino acid incorporation, 501-502, 516 



pentose nucleic acid in, 516 

 Rhamnose, oxidation of, 268 

 Rhodanese, mitochondria and, 221 

 Ribitol, oxidation of, 274 

 Riboflavin, mitochondria and, 222 

 Ribokinase, 270 



adenosine phosphokinase and, 329 

 Ribonuclease, 195, 328, 510 



cysteinylglycinase and, 508 



cytochemistry and, 80-81 



dye binding and, 55, 56, 64, 188 



evocators and, 484-485 



fixation and, 58 



mitochondria and, 221, 227, 232, 243 

 absorption, 218-219 



nucleic and, 142, 164 



nucleic acid measurement and, 63 



nucleoli and, 148, 149 



protein synthesis and, 487, 517, 518-519 



respiration and, 517-518, 519 



synthesis of, 512, 516-517 



transforming agent and, 446 

 Ribonucleic acid, see also Nucleic acids, 



Pentose nucleic acid 

 Ribose, 265, 310 



conversion to deoxyribose, 327, 350 



fermentation of, 270 



formation, 273-274 

 xylose and, 274 



gluconate and, 261 



nucleoside hydrolase and, 317 



nucleotide, utilization of, 386 



penicillin and, 416-417 



phosphorylation of, 329 



purine synthesis and, 380 



utilization by mammals, 270 

 Ribose-1 , 5-diphosphate, 



adenine and, 392 



coenzyme function, 267, 274-275 



nucleotides and, 339 

 formation of, 308, 330 



purine incorporation and, 327 

 Ribose monophosphate, photosynthesis 



and, 254 

 Ribose phosphate, guanylic acid de- 



amination and, 329 

 Ribose-1 -phosphate, 



adenine and, 313 



carboxamide and, 333 



guanosine cleavage and, 330 



nucleoside phosphorylase and, 312, 316, 

 384 



preparation of, 267 

 Ribose-3-phosphate, 329 



purines and, 330 

 Ribose-5-phosphate, 329, 330 



deoxyribose synthesis and, 263 



fermentation of, 269, 270 



formation of, 258, 263 



hexosemonophosphate and, 252 



