CONTENTS 



Chemistry and Viral Growth 



by A. D. Hershey 1 



Photosynthesis 



by J. A. Bassham and M. Calvin 29 



Bacterial Fermentations 



by H. A. Barker 70 



Some Aspects of Vitamin and Growth Factor Research 



by Esmond E. Snell 87 



The Significance of Induced Enzyme Formation 



by S. Spiegelman and A. M. Campbell 115 



Certain Problems in the Biochemical Study of Disease 



by DeWitt Stetten, Jr 162 



The Hormones, Their Present Significance, Their Future 



by Gregory Pincus 176 



Problems of Cellular Biochemistry 



by Carl F. Cori 198 



Enzymes as Reagents 



by Efraim Backer 215 



Attempts at the Formulation of Some Basic Biochemical Questions 



by Fritz Lipmann 241 



Enzyme Complexes and Complex Enzymes 



by Henry B. Mahler 251 



Relations between Prosthetic Groups, Coenzymes and Enzymes 



by Hugo Theorell 275 



Enzyme-Substrate Compounds and Electron Transfer 



by Britton Chance 308 



On the Nature of Hemoprotein Reactions 



by Philip George 338 



Aspects of Protein Structure 



by Barbara W. Low and John T. Edsall 378 



The Structure of Insulin 



by F. Sanger 434 



A New Concept of Ribonucleic Acids 



by Waldo E. Cohn 460 



XV 



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