XII CONTENTS 



5. Differences between pentose nucleic acids 69 



6. Remarks on functions 70 



References 75 



Chapter 5. The Very Big and the Very Small: Remarks on 



Conjugated Proteins 77 



Chapter 6. Of Nucleic Acids and Nucleoproteins 82 



1. Introduction 82 



2. The significance of isolated cell constituents 83 



3. Two types of nucleic acid 84 



4. Deoxypentose nucleic acids 86 



5. Pentose nucleic acids and nucleoproteins 92 



6. The meaning of regularities 93 



7. Remarks on nucleoproteins 96 



References 98 



Chapter 7. Nucleic Acids as Carriers of Biological Information . 100 



1. Is there a hierarchy of cellular constituents? 100 



2. On biological information chemically conveyed .... 102 



3. Invariability of nucleic acids 104 



4. Diversity of nucleic acids 105 



5. Regularity of nucleic acids 106 



6. Concluding remarks 107 



References 108 



Chapter 8. First Steps towards a Chemistry of Heredity . . . 109 



1. Introduction 109 



2. Chemical basis of cellular specificity HI 



3. On the alphabet of the cell and some language difficulties 113 



4. Biochemical space 115 



5. On the code-script of biological high polymers . . . . 117 

 References 125 



Chapter 9. The Problem of Nucleotide Sequence in Deoxy- 

 ribonucleic Acids 126 



1. Introduction 126 



2. Remarks on the conceptual basis of sequence analysis . . 127 



3. Remarks on nomenclature 131 



4. Early attempts at sequence investigation 132 



5. Sequence studies through differential distribution analysis 134 



6. Summarizing remarks 147 



References 159 



Chapter 10. A Few Remarks on Nucleic Acids, Decoding, and the 



Rest of the World 161 



Chapter 11. Amphisbaena 174 



Index 201 



