318 



Subject Index 



Ribonucleic acid 



cytoplasmic specific activity of, 5 

 digestion on, 178-179 

 in chromatin, 21-22 

 in growing tissues, 161 

 in protein-secreting tissues, 161 

 metabolic stability of, 215-222 

 nuclear, as precursor of cyto- 

 plasmic ribonucleic acid, 5-6, 

 13, 20 

 nuclear, specific activity of, 5 

 nuclear, two types of, 20-21 

 specificity of, 183 

 synthesis, and recovery, 131-132 

 synthesis, during incorporation, 



171, 172 

 synthesis, in absence of nucleus, 



13 

 synthesis, in tumours, effect of 

 radiation on, 213 

 Ribonucleoprotein, role in protein 



synthesis, 162, 166 

 RNA {see Ribonucleic acid) 

 Sarcoma I, 144, 152 

 Shearing stress, 72, 73 

 Skin grafts, 147, 153 

 Spleen treatment and protection, 



132 

 Steroid excretion after irradiation, 

 47 

 synthesis, in perfused adrenals, 45, 



46 

 -synthesizing enzymes, 46 

 Staphylococcus aureus, disrupted cell 

 preparation of, 175-182 

 effect of nitrogen mustards on, 

 68 

 Subcellular systems and protein 

 synthesis, 185-193 



Therapeutic effect of radiation, 71 



Transplantation immunity, 144r- 

 147 



Tricarboxylic acid cycle, 93 



Triosephosphate dehydrogenase 

 systems, 94 



Trypsin, effect on enzyme synthesis, 

 188-189 

 radiation on, 38-39, 40 



Tryptophan, destruction by radia- 

 tion, 35 



Tumour inhibition, nitrogen mus- 

 tards on, 69 



Tumours, radiosensitivity of, 71, 

 76 



Uranyl chloride, inhibition of amino 

 acid incorporation by, 187 



Viability of irradiated Bacillus sub- 

 tilis spores, 257 



Vicia faba, root growth on radiation, 

 117 



Viral and bacterial functions, radia- 

 tion and organic peroxides on, 275- 

 297 



Virus synthesis, in infected proto- 

 plasts, 186 



Vitamin K, and dicoumarol, 101 

 role in hydrogen transport, lOSO 



Visual purple, effect of X-rays on, 

 49-50 



Walker carcinoma, radiation on, 72 

 inhibition by nitrogen mustards, 

 183 



Water, irradiation of, in presence of 

 oxygen, 251—252 

 irradiation of, in presence of oxygen 

 and hydrogen, 252 



X-ray cataract, coenzyme A level in, 

 43 



Printed by Spottiswoode , Ballantyne & Co. Ltd., London and Colchester 



