580 



SUBJECT INDEX 



Methyl green staining, deoxyribonucleic 



acid and, 80 

 3-Methyluracil 



photoproducts of, 75-7(3 



reversible photolysis, 70-71 

 Microorganisms, nucleic acids of, see Nu- 

 cleic acids 

 Microsomes 



base composition of, 375 



enzymes of, 362-363 



protein synthesis and, 365, 368, 388- 

 390, 393, 451 



size of, 353-354 

 Mitochondria 



protein synthesis and, 395 



ribonucleic acid and, 353 



transfer ribonucleic acid and, 395 

 Mitomycin C, nucleic acids and, 523 

 Mitosis 



delay of, 529 



deoxyribonucleic acid synthesis and, 

 529-531, 538, 542 



interphase, period of, 530, 532-541 



ribonucleic acid synthesis and, 530 

 Molecular shape 



Gaussian chain molecule, 8-9, 12, 14 



sphere and, 8 



zigzag chain and, 9, 12, 15, 36 

 Molecular weight determination 



light scattering, 7-15, 19-30, 32 



sedimentation method, 3, 5, 30-31, 33 



specific viscosity, 6 



tables of, 24-25 



X-ray scattering, 12-13 

 Mononucleotides, polymerization of, 118— 



123 

 Monophenylphosphorodichloridate, in- 



ternucleotide bonds and, 109-110 

 Mutagens, chemical 



heterozygotes, bacteriophage and, 227 



mechanism of action, 223-225 



mutation site and, 225 

 Myokinase, see Adenylate kinase 



N 



Nitrogen mustards, nucleic acids and, 



522 

 Nitrous acid, mutagensis and, 223-225 

 Nuclease, 127 

 Nuclei 



adenosine triphosphate synthesis and, 



396 

 protein synthesis and, 396 

 Nucleic acids 

 action spectra and, 91-93 

 antimetabolites, 453-455, 525-526 

 bacteriophage, minute of, 242-243 

 extinction coefficient characterization, 



57-59 

 far ultraviolet spectra, 50-51 

 immunity to, 455 

 infrared spectroscopy, 51-52 

 metabolic regulators and, 524 

 photochemistry of, 39-103 

 photolysis reversibility, 86-90 

 protein synthesis and, 349-408, 436- 



438 

 Purine, structural analogs and, 477- 



497 

 pyrimidine analogs and, 498-519 

 radiation effects and, 527-546 

 transport, 455 

 ultraviolet light and, 40 

 urethane and, 519-522 

 Nucleic acids, microbial 

 composition of 



age dependence, 162-164 



bacteria, atypical, 181-184 



environment and, 164-165 



species specificity and, 165-181, 185 

 constituents of, 156-161 

 content variation and, 148-155 

 correlation of composition, 181 

 dynamics of, 147-155 

 metabolic stability of, 419, 422-423 

 nucleotide sequence and, 161, 185 

 Nucleic acids, T-even phage 

 biochemistry of, 211-216 

 composition of, 200-203 

 deoxyribonucleic acid composition, 



194 

 genetic studies, 216-227 

 macromolecular properties, 193-200 



artifacts and, 199-200 



autoradiographic studies, 193-196 



transfer experiments and, 196-199 

 replication of, 203-211 



fate of infecting particle, 203-205 



hypothesis for, 205 

 ultraviolet irradiation and, 196-198 



