Index 



Acid degradation of DNA, lability 

 of purine glycosides to acid, dif- 

 ferential distribution analysis, 

 123, 124 



Adenine and guanine, content in 

 animal DNA's and in animal 

 RNA's, 6 



Analogues, selection of fraudulent 

 — in formation of DNA, 152, 153 



— , — of natural — in formation 

 of DNA, 150-152 



Apurinic acid from calf thymus 

 DNA, composition and properties 

 (table), 33, 34 



— , definition, 33 



— in sequence analysis, 33, 91, 123, 

 133-134, 166 



Arbacia lixiila, pyrimidine 3 ',5 '-di- 

 phosphates from DNA, differen- 

 tial distribution analysis, 92, 122, 

 138 



Arrhythmic character of nucleotide 

 sequence in DNA, 91 



AT type DNA, 28, 51, 66, 86, 128, 

 141, 165, 170, 172 



Autarkic entities (cells and cell 

 communities), and viruses and 

 phages, requirements in — , 71, 

 101, 103 



Avian tubercle bacilli, composition 

 of DNA (tables), 13, 14, 87 



— , ratios in DNA, 30, 50, 66, 87 



8-Azaguanine, incorporation into 

 DNA, 152, 155 



Azotobacter vinelandii, invariability 



of total RNA, 105 

 — , nucleotide ratios in ribonucleo- 



proteins, 105, 119 



— RNA, 94, 105, 119 



"Backbone" of nucleic acids, 90 



Bacterial transformation by a specif- 

 ic DNA, 71, 121 



Base-pairing regularities in DNA, 

 13 and passim 



Biochemical evolution, 78 



— and formation of macromole- 

 cules, 78 



Biochemical space, 115-117 

 Biochemistry, genetics, and nucleic 



acids, 163, 164 

 Biological information, 73, 95, 113- 



115, 163, 184 

 — , chemically conveyed, 102-105 

 — , DNA as repository of, 104, 165 

 — , flow of—, 103, 113-115 

 — , linguistic analogies, 104, 113, 



130, 165 



— and nucleic acids, 73, 74, 100- 

 107 



— and regularities in nucleic acids, 

 95, 121 



— , sequential specificity in pro- 

 teins, nucleic acids, polysaccha- 

 rides and preservation and trans- 

 fer of information, 103 



— , triangular relationship between 

 DNA, RNA and proteins in pre- 

 servation and transfer of — , 103 



