Nature of Bakers' Yeast Lactate Dehydrogenase 



by T. Horio 560 



Nomenclature of Cytochrome bj and Derived Proteins . . . 562 



The Substrate Specificity of Cytochrome bz . . • • • 563 



On the Cytochrome b Cotnponents in the Respiratory Chain in Yeast . 564 



The Kinetics of Reactions Catalysed by Cytochrome hi ■ • ■ 565 



The Kinetics of Reduction of Cytochrome b^ 



by B. Chance 565 



The Absorption Spectrum in Relation to the Structure of Cytochrome bj 565 



The Contribution of the Prosthetic Groups to the Absorption Spectrum 



of Cytochrome bt 

 by R. K. Morton 567 



The Oxidation-reduction Changes in the Reaction of Lactate with Cytochrome 



by E. Boeri and E. Cutolo 568 



The Function and Bonding of the Flavin Group of Cytochrome hi . .569 



The Bonding between the Flavin Group and Apoprotein of Cytochrome bi 



by J. McD. Armstrong, J. H. Coates and R. K. Morton . .569 



Possible Free Radical Formation in Flavoproteins 



by G. D. Ludwig 572 



Autoxidation of Cytochrome hi ....... 573 



The Role of Cytochrome h in the Respiratory Chain 



by E. C. Slatcr and J. P. Colpa-Boonstra .... 575 



Discussion 



The Cross-over Theorem and Sites of Oxidative Phosphorylation . . 592 



The Oxidation-reduction Potential of Cytochrome b . . . . 593 



On the Redox Potential of Cytochrome h, the Kinetics of Reduction of 



Cytochrome b and the Existence of Slater's Factor . . . 593 



The Influence of Cyanide on the Reactivity of Cytochrome h . . 596 



Energy Transfer and Conservation in the Respiratory Chain 



by B. CiiANcn .... 597 



Discussion 



Mechanism of Oxidative Phosphorylation ..... 622 



