566 



SUBJECT INDEX 



O 



Octanoic oxidase, mitochondria and, 220, 



224, 243 

 Octyl alcohol, deoxyribose synthesis and, 



263 

 "Old yellow enzyme," see Flavoprotein 



oxidase 

 Oocytes, deoxyribonucleic acid in, 163, 



174 

 Orange G, protein binding of, 57 

 Orcinol reaction, 

 pentose nucleic acid estimation and, 3, 



126 

 pyrimidine ribosides and, 316 

 Orotic acid, 



ammonia incorporation and, 302-303, 



304 

 biosynthesis of, 295, 298, 299-306 

 decarboxylation of, 324 

 degradation of, 303 

 hydroxymethylcytosine and, 434 

 incorporation of, 196-197, 300-301, 305- 

 306, 327, 331-332, 338, 349, 363, 366, 

 367, 371, 372, 374, 382, 389, 407, 408, 

 410, 412, 413, 431, 499, 501, 515 

 nucleoside formation from, 331-332 

 reduction of, 306 

 requirement for, 299 

 riboside phosphorylase and, 316, 337 

 uracil formation and, 307 

 utilization of, 408 

 Orotic acid deoxyriboside, 319 

 Orotic acid ribotide, pyrimidine synthe- 

 sis and, 300 

 Orotidine, 

 orotic acid decarboxylation and, 324 

 properties of, 301 

 pyrimidine synthesis and, 300 

 utilization of, 316 

 Orotidine-5'-phosphate, decarboxyla- 

 tion of, 307 

 Osmic acid, 122 



Feulgen reaction and, 69 

 mitochondria and, 210 

 Ovalbumin, synthesis of, 512 

 Ovary, nucleic acids and, 38-39, 48 

 Oxalacetate, 



hypoxanthine and, 278 

 pyrimidine synthesis and, 297 

 Oxalacetic oxidase, mitochondria and, 

 220, 224, 226 



Oxalic acid, 



pyrimidine catabolism and, 427, 428 

 Oxaluric acid, uracil catabolism and, 428 

 Oxygen, uptake, deoxypentose nucleic 

 acid and, 48 



Pancreas, 



nuclei, isolation of, 110 

 pentose nucleic acid in, 63 

 Pantothenic acid, mitochondria and, 222 

 Paraldehydes, Feulgen reaction and, 69 

 Paramecin, deoxypentose nucleic acid 



and, 472 

 Paramecium, nuclei, deoxyribonucleic 



acid of, 171 

 Pararosaniline, purity of, 66 

 Parthenogenesis, 437 

 Pectin, isolation of nuclei and, 109 

 Penicillin, 

 nucleic acid metabolism and, 416-418 

 pentose nucleic acid and, 43 

 resistance, transforming agents and, 

 452 

 Pentitols, pentose synthesis and, 266 

 Pentokinases, 

 mammalian, 271 

 substrates of, 270 

 Pentonic acids, formation of, 268 

 Pentose isomerases, substrates of, 267 

 Pentose nucleic acid, 472, see also Nu- 

 cleic acids 

 adenine incorporation and, 295, 345, 

 362, 363, 365-366, 367, 371-372, 374, 

 406-407, 430 

 adenosine incorporation in, 345-346 

 adenosine triphosphate activity of, 510 

 adenylic acid and, 

 coenzymic, 328 

 incorporation of, 345-346 

 antibiotics and, 511 

 assay, 458-459 

 colorimetric, 107 

 dyes and, 63 



precautions necessary, 126-127 

 ultramicro, 44 

 bacteriophage and, 465, 468 

 carcinogens and, 30-32 

 cell size and, 18 

 centrifuged eggs and, 481 



