SUBJECT INDEX 



551 



genetic determination and, 437 



localization of, 436 

 Chromic acid, 



deoxj'ribonuclease and, 82 



Feulgen reaction and, 69, 71 



metachromasy and, 62 



nucleic acid extraction and, 79 



ribonuclease and, 81 

 Chromium, dye binding and, 58 

 Chromocenters, nucleoli and, 143 

 Chromonemata, 181, 186 



deoxyribonucleic acid and, 171 

 Chromosomes, 



alkaline phosphatase and, 138 



breakage, 437, 441, 443 



composition of, 183-184, 437, 438 



condensation of, 181-182 



deoxypentose nucleic acid in, 122, 124 

 156 



division of, 181 



extraction of, 183 



Feulgen reaction and, 185-186 



isolation of, 100, 182-183 



lipids in, 122 



mitotic, staining of, 61 



nondisjunction, 437 



nucleoli and, 144, 147 



number, deoxyribonucleic acid and, 

 165, 166, 167 



pentose nucleic acid in, 127, 149 



residual, 131 

 composition of, 183-184 



structure of, 186 



translocations, 437 



ultraviolet absorption and, 189-192 



x-rays and, 414 

 Chromosomin, 128, 184 

 Chymotrypsin, 152 



transforming agent and, 446, 447 

 Citric acid, 



biotin and, 378 



isolation of nuclei and, 104-105, 110, 

 117, 118, 119, 121, 123, 126 



mitochondria and, 222, 224-225, 233 



nuclear fragility and, 98 

 Citrovorum factor, 



hypoxanthine synthesis and, 288 



inosinic acid synthesis and, 291, 334 



purine synthesis and, 335-336 

 Citrulline, 



pyrimidine synthesis and, 307 



synthesis, 

 mitochondria, 227 

 ureidosuccinic acid and, 307 

 Cobalt, nucleic acid synthesis and, 491, 



511 

 Coenzyme A, 



adenosine monophosphate and, 391 

 mitochondria and, 222 

 Coenzyme I, see Diphosphopyridine 



nucleotide 

 Colchicine, 

 bacterial nucleic acids and, 42 

 deoxypentose nucleic acid renewal and, 



361 

 uric acid and, 427 

 Colloid mill, isolation of nuclei and, 99- 



100, 104-105, 106, 109, 117, 119 

 Condensing enzyme, mitochondria and, 



224-225 

 Cortisone, 

 formate incorporation and, 378 

 nucleic acid ratios and, 32-33, 34, 35, 46 

 uric acid and, 427 

 Crotonoside, see also Isoguanosine 

 adenosine phosphokinase and, 329 

 incorporation of, 326, 348 

 Crown-gall, deoxypentose nucleic acid 



and, 472 

 Crystal violet, 54 * 

 nucleic acids and, 53 

 specificity, 60 

 Cyanide, Feulgen reaction and, 68 

 Cyclohexane, isolation of nuclei and, 



114, 115 

 Cyclophorase, 

 enzyme assay and, 208 

 inhomogeneity of, 223 

 Cysteine, deoxyribonuclease and, 82 

 Cysteinylglycinase, pentose nucleic acid 



and, 508 

 Cystine, incorporation of, 505 

 Cj^tidine, 

 adenosine phosphokinase and, 329 

 deamination of, 316 

 incorporation of, 196-197, 326, 327, 350, 



351, 352-353 

 nucleoside hydrolase and, 317, 318, 337 

 riboside phosphorylase and, 316 

 utilization of, 386 

 Cytidine deaminase, specificity of, 323- 

 324 



