The Macromolecular Electrostatic Effect in Biochemical Reactivity of the Nucleic Acids.- Dynamic and Statistical Aspects of Enzyme Action.- Efficiency and Mechanism in Intramolecular Catalysis.- Cryoenzymology in Reverse Micelles.- Theoretical Studies on Models of the Active Site of Carbonic Anhydrase.- The Mechanism of Carbonic Anhydrase — A Solvation Problem?.- A Comparison of the Energetics of Proton Transfer in the Serine and Cysteine ‘Charge Relay’ Systems and the Role of the Protein Electrostatic Potential on the Proton Transfer Energetics.- Hydrolysis by Acetylcholinesterase. Trimethyl and Methyl Subsites.- Creatine Kinase: An Asymmetric Dimer operating by a ‘One-at-a-Time’ Mechanism.- Studies on the Mechanism of Catalysis by Thiamin: Progress and Problems.- The Conformation of Cocarboxylase (Thiamine-Pyrophosphate).- Probing the Mechanism of Binding of the Thiamin Pyrophosphate Co-Enzyme on Yeast Pyruvate Decarboxylase.- Ab Initio Orbital Studies of the Flavins.- Flavin Catalysis, the Experimental Approach.- Molecular Orbital Calculations of Metal Microcluster Properties.- Structure Sensitivity and Supported Platinum Catalysts.- Relation Between Catalytic and Electronic Properties of Transition Metals.- Basic Parameters in Metal-Catalysed Processes: Method of Inverse Titration.- The Chemisorption of Acetylene on the Pt(III) Surface. Extended Hückel Results.- Asymmetric Homogeneous Hydrogenation of Prochiral Olefins and Control of the Metal Configuration in Labile Optically Active Organotransition Metal Complexes.- Homogeneous and Heterogeneous Hydrogen Transfer in Carbinols by Group VIII Metal Catalysts.- The Cooperate Effect of Organomagnesium and Nickel Compounds in the Catalytic Oligomerization of 1,3-Dienes.- Trimethylphosphine Cobaltatescontaining Monoolefin and Dinitrogen Ligands — Model Compounds for Homogeneous Catalysis.- Conformational Transitions of the Membrane-Bound Cholinergic Receptor.- The Catalytic Effect of Hydrogen Bonding upon Epoxide Ring-Opening.- A Comparison of Dioxygen Activation by Biochemical and Synthetic Polymeric Chemical Systems.- Surface and End Effects in the Electronic Structure of Crystals and Polymers.- Some Aspects of Asymmetric Induction in Addition Reactions to Olefins.- The Catalytic Function of Anthraquinones in the Photooxidation of Chloride to Chlorine.- Tetraphenylporphyrin Complexes as Chemical, Photo- and Electro-Catalysts.- Index of Subjects.- Index of Names.