Contents 



chapter page 



1 Genetic Control of Enzyme Structure 3 



Sigmiincl R. Suskind and Charles Yanofsky 



2 Control by Repression 23 



Henry J. Vogel 



3 End-Product Inhibition of the Initial Enzyme in a 



Biosynthetic Sequence as a Mechanism of Feedback 



Control 67 



H. Edwin Umbarger 



4 Ribonucleic Acid and the Control of Cellular 



Processes 87 



Marko Zalokar 



5 Regulatory Mechanisms in Energy Metabolism 141 



Jan van Eys 



6 Some Pyridine Nucleotide Transhydrogenase 



Reactions Mediated by Estrogenic Steroids . 167 



H. G. Williams-Ashman 



7 Hormonal Regulation of Plant Cell Growth 185 



Peter M. Ray 



8 Control by Light 213 



William S. Hillman 



9 Temporal Regulation in Cellular Processes . 227 



J. Woodland Hastings 



Index 245 



