Part I: Proteins -- Amino Acids -- Protein Structure -- Proteins in the Lab -- Part II: Enzymes -- Enzymes are Biocatalysts -- Enzyme Kinetics and Mechanism -- Inhibition and Inactivation of Enzymes -- Hæmyoglobin and Myoglobin: Cooperativity -- Enzyme Kinetics: Special Cases -- The Flow of Metabolites through Metabolic Pathways -- Part III: Special Proteins -- Protein Folding Diseases -- Immunoproteins -- Cell Skeleton -- Motor Proteins and Movement -- Cell-cell interactions -- Aiding in Folding: Molecular Chaperones and Chaperonins -- Part IV: Membrane Transport -- Protein Transport across Membranes -- Vesicular Transport in Eukaryotic Cells -- Transport of Solutes across Membranes -- Appendices.