Flux of metabolic energy: finding, conservation, utilization. Structure of amino acids and proteins, structural levels, examples of their functions. Enzyme kinetics. Lipids. Cell membranes: structure, function and transport . Structure and function of nucleosides, nucleotides and nucleic acids. Sugars. Structure and function of polysaccharides. Examples of metabolic processes: the reactions (and catalysts) involved in the sugar catabolism: the glycolysis, the glycogen metabolism, the gluconeogenesis, Krebs cycle, oxidative phosphorylation. Mechanisms of metabolic regulation.