CONTENTS 



SECTION I 

 CHEMICAL AND PHYSICAL 



CHAP. PAGE 



I ORGANIC CHEMISTRY ....... i 



II REACTIONS IN HOMOGENEOUS SYSTEMS ... 27 



III REACTIONS IN HETEROGENEOUS SYSTEMS ... 47 



IV CATALYSIS AND ENZYME ACTION .... 57 



V CONVERSION OF CHEMICAL ENERGY INTO MECHANICAL 



ACTIVITY ........ 74 



SECTION II 



ANABOLISM 



VI ACCUMULATION OF ENERGY ..... 8g 



VII IN TER-CON VERSION OF CARBOHYDRATES, FATS AND PRO- 



TEINS ......... 103 



SECTION III 



CATABOLISM 



VIII TRANSFERENCE OF FOOD MATERIALS : DIGESTION . 113 

 IX TRANSFERENCE OF FOOD MATERIALS : ABSORPTION . 132 



X NUTRITION ........ 140 



XI RESPIRATION . . . . . . . 155 



XII EXCRETION OF WASTE PRODUCTS . . . .175 



XIII CHEMICAL REGULATION OF CELL ACTIVITIES . .190 



XIV ACTION OF MICRO-ORGANISMS . . . . .201 



xiii 



