CONTENTS 



CHAPTER I 



PAGE 



Introduction 17 



The Chemistry and Physics of the Cell 17 



Chemistry of the Essential Cell Constituents 19 



Chemistry of the Proteid Molecule 19 



The Physical Chemistry of the Cell and its Constituents . 30 

 The Structure of the Cell in Relation to Its Chemistry 



and Physics 52 



CHAPTER II 



Enzymes 61 



The Nature of Enzymes and Their Action 62 



Toxicity of Enzymes 71 



The Intracellular Enzymes 75 



Oxidizing Enzymes 75 



Lipase 82 



CHAPTER III 



Enzymes (Continued) 85 



Intracellular Proteases 85 



Autolysis 86 



CHAPTER IV 



The Chemistry of Bacteria and Their Products 104 



Structure and Physical Properties 104 



Chemical Composition 106 



Bacterial Enzymes 109 



Poisonous Bacterial Products 115 



Bacterial Pigments 127 



CHAPTER V 



Chemistry of the Animal Parasites 129 



11 



