Part I: Introduction: The Chemistry of Cells. The Challenges of Cell Biology. The Small Molecules of the Cell. Macromolecules. The Directions and Rates of Biochemical Processes. Part II: The Functional Organization of Cells. How Do Biologists Study Cells? And What Have They Learned About Subcellular Organization? Call Membranes, Skeletons, And Surfaces. How Do Cells Make ATP? Cellular Respiration and Glycolysis. How Do Cells Get Energy from the Sun? Photosynthesis. Part III: The Continuity of Cellular Information. Cell Reproduction. Chromosomes and the Life Cycle: The Role of Meiosis in Sexual Reproduction. Inheritance: Genes and Chromosomes. What Is a Gene? The Structure, Replication, And Repair of DNA. Part IV: Information Flow and Its Manipulation. How Does DNA Direct the Synthesis of Proteins? How Do Cells Regulate Gene Expression? Unconventional Genes. Genetic Manipulation and Recombinant DNA. Part V: Cell Specialization, Integration, And Evolution. Cells and Movement. Chemical Signalling: Pheremones, Hormones, And Receptors. Cellular Contributions to Animal Development. Growth and Development of Flowering Plants. Cells, Cell Products, And the Immune Response. Cells of the Nervous System. How Did the First Cells Evolve?