Life, the science of biology\

Part one The Science of Life and Its Chemical Basis 1 Studying Life2 Small Molecules and the Chemistry of Life3 Proteins, Carbohydrates, and Lipids4 Nucleic Acids and the Origin of Life Part two Cells 5 Cells: The Working Units of Life6 Cell Membranes7 Cell Communication and Multicellularity Part three Cells and Energy 8 Energy, Enzymes, and Metabolism9 Pathways that Harvest Chemical Energy10 Photosynthesis: Energy from Sunlight Part four Genes, Genomes, and Heredity 11 The Cell Cycle and Cell Division12 Inheritance, Genes, and Chromosomes13 DNA and Its Role in Heredity14 From DNA to Protein: Gene Expression15 Gene Mutation and Molecular Medicine16 Regulation of Gene Expression17 Genomes18 Recombinant DNA and Biotechnology Part five The Processes and Patterns of Evolution 19 Processes of Evolution20 Reconstructing and Using Phylogenies21 Evolution of Genes and Genomes22 Speciation23 The History of Life on Earth Part six The Evolution of Diversity 24 Bacteria, Archaea, and Viruses25 The Origin and Diversification of Eukaryotes26 Plants without Seeds: From Water to Land27 The Evolution of Seed Plants28 The Evolution and Diversity of Fungi29 Animal Origins and the Evolution of Body Plans30 Protostome Animals31 Deuterostome Animals Part seven Flowering Plants: Form and Function 32 The Plant Body33 Transport in Plants34 Plant Nutrition35 Regulation of Plant Growth36 Reproduction in Flowering Plants37 Plant Responses to Environmental Challenges Part eight Animals: Form and Function 38 Physiology, Homeostasis, and Temperature Regulation39 Animal Hormones40 Immunology: Animal Defense Systems41 Animal Reproduction42 Animal Development43 Neurons, Glia, and Nervous Systems44 Sensory Systems45 The Mammalian Nervous System46 Musculoskeletal Systems47 Gas Exchange48 Circulatory Systems49 Nutrition, Digestion, and Absorption50 Salt and Water Balance and Nitrogen Excretion51 Animal Behavior Part nine Ecology 52 The Physical Environment and Biogeography of Life53 Populations54 Species Interactions55 Communities56 Ecosystems57 A Changing Biosphere