X CONTENTS 



^^^4. Lipides 74 



Fatty acids 74 

 Fats 81 



Phospholipides 87 

 Glycolipides (cerebrosides) 91 

 Waxes 92 

 Sterols 92 



5 Proteins 96 



Amino acids 96 



Peptides 104 



Proteins 1 1 1 



Nucleic acids and nucleoproteins 120 



6 Enzymes 1 26 



Nature and function 126 



Factors affecting enzyme activity 137 



Typical enzymes 147 



7 Energy transfers and biological oxidations 158 



Energy transfers 159 

 Metabolic oxidations 166 



PLANT BIOCHEMISTRY 



part 2 



8 Plant structure and composition 177 



The cell 177 



Structural materials 181 



Reserve materials 188 



Metabolic machinery 193 



Incidental and special substances 195 



9 Plant metabolism 205 



Photosynthesis 206 

 Carbohydrate metabolism 214 



