CONTENTS 



Introduction ix 



Permeability of Microorganisms to Inorganic Ioxs, Amino Acids 



AND Peptides, Dean B. Cowie and Richard B. Roberts i 



Sodium and Potassium Regulation in Ulva Lactuca and Valonia 



Macrophysa, George T. Scott and Hugh R. Haywood 35 



Relationship of the Cell Surface to Electrolyte Metabolism in 



Yeast, Aser Rothstein 65 



Absorption of Ions by Plant Roots, Emanuel Epstein 10 1 



Electrolyte Transport in Isolated Mitochondria, Gilbert H. Mudge 112 



Sodium and Potassium Transport in Red Blood Cells, D. C. Tosteson 123 



Factors Governing Ion Transfer in Nerve, Abraham M. Shanes 157 



Biological Aspects of Active Chloride Transport, C Adrian M. 



Hogben 176 



Ion Transport and Ion Exchange in Frog Skin, Ernst G. Huf 205 



Index 239 



