684 



Subject Index 



Micrococcus lysodeikticus 348, 430, 43 1 

 Micrococcus pyogenes 332-333 

 Microorganisms, hydrogen metabolism in 



593-594 

 Microsomes 363, 402 



biochemical activity in 415 



chemical composition of 407 



synthesis of amylase in 456, 457, 461 

 Milk protein 336 

 Minerals, in the body 334 

 Mineral world, relation with organic world 



184-185 

 Mitochondria 49, 50, 213, 363, 402 



biochemical activity in 414 



chemical composition of 407 



protein synthesis in 497-498 



role of in protein biosynthesis 462 



synthesis of amylase in 457, 461 

 Mitogenetic radiations 145-148, 185 

 Mohorovicic discontinuity 23 

 Molecular structure 389, 390, 391, 392 

 Molecules, duplication of, in living organ- 

 isms 215-223 

 Mollusca, digestion in 510 



lipids and sterols in 50, 509 



parallelism in 506 

 Molybdenum oxide, organic compounds 



formed from 140 

 Moon, angular momentum of 10 



composition of 70 



density of 70 



origin of craters 1 1 

 Moon-earth system 9-14 

 Motihty 491-492 

 Mud, biogenesis in 182 

 Multiplet theory of catalysis 162 

 Multivariance of chemical reactions 293- 



294 

 Muscle, structure of 386-387 

 Mustard gas 353 

 Muslelus canis 507 

 Mutation 439, 497 



as criterion of life 106, 118 



in cell 463 



in proteins 353-354 

 Mycobacteriutu tuberculosis 325, 326, 471 

 Myoglobin, structure of 397 

 Myokinasc 377 



Myosin, hydrolysis of 277, 278 

 Myriapoda, lipids in 508 



Nemathclminthcs, lipids in 508 

 Neptune, ammonia in 71 



methane in 71 

 Nerve fibres, excitation of 492 

 Neurospora 145, 560 

 Neurospora crassa 573 

 Nickel-iron 70 

 Nicotiana sylvestris 480 

 Nitrate, biological reduction of 555-561 



oxidation by 556 



reduction by bacteria 556-560 

 by glucose 556 

 phosphate incorporationof557, 558, 559 



transformation of 545 

 Nitrides, in the primary atmosphere of 



Earth 29 

 Nitriles, hydrolysis of 128-130, 132 

 Nitrobacter 629 

 Nitrogen, activated by ultraviolet Ught 137 



autotrophic assimilation of 544-553 



dissimilation of 539-542 



cflFect of supersonic vibrations 172, 173 



effect of ultraviolet on 131 



formation of, by spark discharge 123 



formation of organic compounds by 

 electrical discharge 126 



from volcanic activity 60, 64 



geochemical origin of 89-90 



in amino acids 547-551 



in asparagine 550, 551, 552 



in atmosphere 29, 57, 59, 61, 64, 78, 84, 

 109, 134 



inglutamine 549> 550, 55i> 552 



in meteorites 30 



in plants 410 



in synthesis of amino acids 534-539 

 Nitrogen fixation 544-545, 551-552, 560, 



602-604 

 Nitrogen metabolism 527-543, 544-553 



enzymes in 545 



in bacteria 544, 551, 552 

 Nitrogenous nutrition 527-528 

 Nitrosomonas 227, 628, 629 

 Norleucine, synthesis of by light 143 

 Nostocaceae 544 

 Nuclear transplantation 362 

 Nucleic acids 440, 653 



amounts of in cell units 407 



and protein synthesis 363-366 



and the origin of proteins 361-367, 374, 



375 

 as carriers of biological information 



297-302 

 diversity of 300-301 

 effect on enzymic activity 476-478 

 evolution of 358-360 

 formation of 46-48, 51, 149, 394, 395 

 formation of bonds with proteins 492- 



493 

 genetic role of 107 



in bacteria, species specificity 322-330 

 in cells 289, 290 

 in coacervates 493-494 

 in formation of proteins 282-283, 285 

 in protein synthesis 219 

 in tobacco mosaic virus 303-306, 319 

 in viruses 371.372,373,375 

 infective from tobacco mosaic virus 



303-306 

 invariability of 300 



