576 



SUBJECT INDEX 



Deoxycytide nucleotides, biosynthesis of 



335-336 

 Deoxycytidine 

 thymine-ring formation and, 339-340 

 ultraviolet absorption of, 53, 54 

 Deoxycytidine-5'-phosphate deaminase, 



336 

 Deoxycytidylate hydroxymethylase, 213 

 Deoxycytidylic acid deaminase, 214, 506 

 Deoxycytidylic triphosphatase, 213 

 Deoxyribonuclease 



bacteriophage T5 and, 231 

 irradiation and, 102 

 protein synthesis and, 396 

 Deoxyribonucleic acid 

 bacterial, 417-418 

 biosynthesis of 

 bacteriophage and, 141-143, 190, 240, 



241 

 liver and, 145 

 precursors of, 337-338 

 radiation effects, 527-546 

 thymine and, 346 

 thymus and, 145-146 

 chain structure, 15-16, 36 

 chemical mutagensis and, 223 

 chymotrypsin and, 26-29, 34, 35 

 chromatography of, 202-203 

 dispersions, reproducibility of, 23-28 

 double helix and, 15-16, 36-37 

 electron micrographs of, 34-35 

 extraction of, 33-34 

 far ultraviolet spectra, 50 

 heat-treatment of, 26-27 

 index of composition, 166 

 intermolecular interactions, 16-17 

 intramolecular interactions, 17-19 

 intrinsic viscosities, 24-25, 32 

 irradiation induced cross-linking, 102- 



103 

 light scattering and, 19-30, 32-33 

 molecular weights, 23-27, 33, 35-37 

 P 32 incorporation and, 532 

 particles in dilute solutions, 15-37 

 photoreactivation and, 96-99 

 plants and, 156 

 primer, as, 139-140, 144 

 protein synthesis and, 407-408 

 ribonucleic acid template and, 407 



rigidity of particle, 16-19 



schematic formula, 15 



sedimentation constant and, 31-33 



specific activity of, 



interphase and, 530-531 

 mitotic delay and, 529 

 precursor pool and, 531 

 population changes and, 528-529 



structure for, 36-37 



sugar destruction in, 62-63 



ultraviolet irradiation and, 64, 79-80, 

 100, 103 



viscosimetric hehavior, 18, 32 



viscosity and, 79 



X-ray irradiation and, 543-546 

 Deoxyribonucleic acid-histone com- 

 plexes, absorption spectra of, 60 

 Deoxyribonucleic acid, microbial 



composition and, 

 age dependence, 162-163 

 bacteria, atypical, 182-183 

 constancy of, 149-151 

 environment and, 161 

 species specificity of, 165-175 



dynamics of, 149-151 



index of composition, 166-175 



lag phase and, 149-150 



6-methylamino purine and, 156-157 



methvlcytosine and, 156 



nitrogenous constituents of, 156-158 



purine analogs and, 157-158 



pyrimidine analogs and, 157-158 



sugars of, 156 



synchronous culture studies and, 150 



thymine antagonists and, 157 

 Deoxyribonucleic acid, T-even phage 



bipartite nature of, 193-200 



composition of, 193-194, 200-203 



content of, 194 



degradation of, 202 



deoxyribose origin, 212 



enzymes, in synthesis, 212-214 



fate of, 203-205 



fractionation of, 202-203 



genetic determinant and, 216-218 



molecular weight of, 195, 200 



phosphorus-32, irradiation and, 221 



phosphorus origin, 211-212 



protein synthesis and, 208-211 



purine origin, 212 



