Subject Index 



685 



Nucleic acids — continued 



irradiation of 145-146 



possessing virus-like activity 320 



regularity of 301 



species specificity of 322-330, 332-333 



structure of 222, 304, 395-396, 398 

 Nuceloproteids 116 

 Nucleoproteins, artificial 485 



as living organisms 315,316 



deoxyribonucleic acid in synthesis of 

 375-376 



formation of 498-499 



nature of bond in 493 



structure of 398 

 Nucleotides 44, 51, 581 

 Nucleus, biochemical activity in 414 



chemical composition of 407 



of cell 362 



protein synthesis in 464 

 Nutrition, nitrogenous 527-528 



Oceans 13, 14, no 



amino acids on shores of primaeval 97 

 endergonic reactions in primitive 42 

 exergonic reactions in primitive 41-42 

 formation of 73, 77 

 organic compounds in 130 

 origin of life in 169 

 primary state of 31-32 

 Oil, space distribution of 86-87 



See also Petroleum 

 Oil fields, geological description of 88 

 Open systems, thermodynamics of 444-454 

 Optical activity, in racemates 1 58-161 

 of organic substances 95-96 

 origin of 184 

 Optical resolution, by inclusion complexes 



160-161 

 Orchidaceae 116 

 Organic acids, formation of 72 

 Organic compounds, assymmetric synthe- 

 sis of 1 14 

 asymmetry of 174-175 

 formation of 67-75 

 by spark discharge 123 

 by ultraviolet light 131-132, 136-139 

 from carbon dioxide 133 

 on primitive Earth 123-135 

 role of acoustic energy 172-173 

 under oxydizing conditions 133 

 optically active 95-96 

 preUminary to protoplasm 140-150 

 primary synthesis of 109-110 

 Organic molecular evolution, order of 



formation of 42 

 Organic world, relation with mineral 



world 184-185 

 Origin of life on earth, and primitive 

 planetary atmospheres i6-;22 

 chemical diversity and 76-83 



conditions for 1 69-171 

 earliest appearance of 34-35 

 effect of temperature 650-651,652 

 influence of cosmic rays 107-108,114 

 influence of irradiation 107-108 

 influence of ultraviolet Ught 124, 136-139 

 multivariance of chemical reactions 



293-294 

 role of dissymmetry 95-104 

 thermal theory of 256-261 

 thermodynamic considerations of 418- 

 420 



Ornithine, synthesis of 142, 144, 194 



Ornithine cycle 540, 541 



Oscillatoria 409, 630 



Ox, cytochrome c in 242 

 hypertensin in 243-244 

 insulin in 242 

 vasopressin in 243 



Oxidase-hke activity, of copper 271 



Oxidases 562, 564, 565, 570 



Oxidation, in chemosynthesis 628 



Oxidative phosphorylation, involvement of 

 iron in 209 



Oxidative systems, comparison of 652-571 



Oxides, formation of 59 



Oxoglutaric acid 538 



Oxygen, activated by ultraviolet light 136, 



137 

 appearance of free 586-587 



consequences of 587-591 

 dependence of cytochrome oxidase on 



567 

 effect on cytochrome oxidase 568 

 effect on hydrogenase system 600 

 first appearance in Earth's atmosphere 



18-19, 44 

 formation of 59, 61, 62, 64, 77, 118 

 in atmosphere 77, 84, 109, 170, 587, 600 

 in formation of complex compounds 265 

 in tissues 563 



liberation of in photosynthesis 212 

 metabolism at different pressures of 



569-570 

 on Mars 21 

 oxidation by 556 

 partial pressures in tissues 563 

 transport of 505 



Oxyminaline 225 



Oxynitrilase 162, 166 



Oxytocin, amino acids in 236, 243 



Ozone, formation of 62, 213 



Ozone screen 170, 183 



Palaeozoic, solar radiation during 177 

 Pancreas, amylase formed from 455-457, 



460 

 Papain, effect on coacervates 467 

 Paraformaldehyde, organic compounds 



formed from 140, 146 



