CONTENTS 



CHAPTER PAGE 



PREFACE . . vii 



I, BIOLOGY AND CHEMISTRY . i 



II. PROTOPLASM AND ITS CHEMICAL PROPER- 

 TIES . . 10 



III. PROTOPLASM AND COLLOID-CHEMISTRY . 20 



IV. THE OUTER PROTOPLASMATIC MEMBRANE 



AND ITS CHEMICAL FUNCTIONS . . 35 



V. CHEMICAL PHENOMENA IN CYTOPLASM AND 



NUCLEUS OF LIVING CELLS . . 54 



VI. CHEMICAL REACTIONS IN LIVING MATTER 62 



VII. VELOCITY OF REACTIONS IN LIVING CELLS 72 



VIII. CATALYSIS AND THE ENZYMES . . 84 



IX. CHEMICAL ACTIONS ON PROTOPLASM AND 



ITS COUNTER-ACTIONS . . 125 



X. CHEMICAL ADAPTATION AND INHERITANCE 136 



ix 



