INDEX 



1047 



u 



Unicellular organisms, effect of expo- 

 sure to radiation 856 



Urbain 21 



Urethane administration effect on in- 

 corporation of carbon- 14 into animal 

 tissvie 821-824 



Urey 19, 25 



Ussing 29 



Velocity of dissolution of molecular 

 layers, 89-96 

 determination of 90 — 92 

 isotopic ions, effect on 93 

 solubility, relation with 92 



Virus, phosphorous exchange with bac- 

 teria 1011-1013 



von Euler, Hans 28 



von Hahn, L. 28 



von Laue, Max 27 



von Welsbach, Auer 22, 23 



W 



Water elimination from hviman body 



536-539 

 Water molecules, fate in body of 239 

 Water 



permeability to 434 — 436 



rate of passage through caj^illary and 

 cell walls 437-442 

 "Wheat seedling, interaction between 



the nutrient solution and phosphorus 



atoms of 891 — 904 

 Willstcitter 12 



X-rays, 



catabolism of alcohols in mouse, effect 



on 841 — 850 

 carbon dioxide inhalation, effect on 



825-827 

 carbon- 14 incorporation, in desoxy- 



ribonucleic acid 791, 792 



into animal tissue 793, 794 



into mouse tissue 795 — 820 

 effect on formation rate of nucleic 



acid, 974 — 976 



in Jensen sarcoma 692 — 719 



in rats' organs 721 — 730 

 indirect effect on Jensen sarcoma 



744-757 

 resorption rate of injected sodium 



bicarbonate 828 — 840 



Yeast, 



potassium interchange in cells 918- 

 923 



phosphorus exchange in 916, 917 

 Ytterbium 53, 58 

 Yttriiun 48, 56, 58 



Zinc, 



migration from neuropora to culture 



solution 913 

 uptake by neuropora 910 — 

 915 



