CON TENTS 



Foreword m 



Preface v 



List of Participants viii 



I. THE DIRECT EFFECT OF RADIATION ON PROTEINS, 



VIRUSES, AND OTHER LARGE MOLECULES 1 



Ernest C. Pollard 



II. THE IN VITRO EFFECTS OF RADIATIONS ON MOLECULES 



OF BIOLOGICAL IMPORTANCE 30 



E.S.G. Barron 



III. CELLULAR BIOCHEMISTRY 54 



Frederick G. Sherman 



IV. ENZYME AND RELATED EFFECTS IN THE INTACT CELL 86 



Kenneth P. DuBois 



V. CHANGES IN NUCLEIC ACID METABOLISM AS A RESULT 



OF RADIATION 119 



Charles E. Carter 



Vll 



