I. Microcompartmentation and Energy Transport.- The Physiological Significance of the Creatine Phosphate Shuttle.- Organization of the Mitochondrial Matrix.- The Time Course of ATP Cleavage by Contracting Amphibian and Mammalian Skeletal Muscles.- Isozymes of Creatine Kinase in Mammalian Myocardial Cell Culture.- Microcompartmentation at the Mitochondrial Surface: Its Function in Metabolic Regulation.- The Effect of Inorganic Phosphate on Mitochondrial Creatine Kinase.- Hormonal Regulation of Creatine Kinase BB.- Compartmentation of Adenine Nucleotides and Phosphocreatine Shuttle in Cardiac Cells: Some New Evidence.- Compartmentation of Hormone Action in Adult Mammalian Cardiomyocytes.- Function of Creatine Kinase Localization in Muscle Contraction.- Isotope Labeling Ratios: A Tool for the Exploration of Metabolic Compartments.- The Mitochondrial Creatine Phosphokinase is Associated with Inner Membrane Cardiolipin.- A Role for Mitochondria in Myocardial Adenosine Production.- II. Respiration Control Cellular and Organ Level.- Aspects of Heart Respiratory Control by the Mitochondrial Isozyme of Creatine Kinase.- Control of Respiration in Intact Muscle.- Energy Compartmentation and Active Transport in Proximal Kidney Tubules.- The Oxygen Dependence of Cellular Energy Metabolism.- Regulation of Mitochondrial Respiration in Liver.- Quantitation of Fluxes in the Gluconeogenic, Glycolytic, and Pentose Phosphate Pathways in Isolated Rat Hepatocytes: Energetic Considerations.- Why is There a Delay in the Increased Oxygen Consumption During the Rest-Work Transition in Skeletal Muscles.- III. Myocardial Preservation, Ischemia: Cellular Mechanisms.- Compartmentation and Functional Mechanisms in Myocardial Failure and Myocardial Infarction.- Myocardial Protection of Hypertrophied Hearts by Administration of Cardioplegia According to Regional Myocardial Temperature.- Heart Myocytes as Models of the Cellular Response to Ischemia.- Biologic Basis for Limitation of Infarct Size.-lĂ6