Topic-specific segments covering the biology curriculum with particular emphasis on cell biology, micro-organisms, the early history of life, and the major groups of living things.

Table of Contents

• Actin and Myosin Motor Proteins
• Amoebas and Heliozoans
• Amphibians and Reptiles
• Amphipods, Isopods and Decopods
• Annelid Summary
• Archaeans: Earth's First Inhabitants, The
• Ascomycetes
• Aves
• Bacteria Shapes and Structures
• Bacteria Summary
• Bacteria and Atmospheric CO2
• Bacteria are Prokaryotic Cells
• Bacteria as Symbionts
• Barnacles
• Basidiomycetes
• Beginnings and Early Evolution of Molluscs
• Brittle Stars and Basket Stars (Ophiuroidea)
• Brown Algae
• Cell Machinery, The
• Cell Membrane, The
• Cell Structures
• Cellular Reproduction and DNA
• Cephalochordates
• Chloroplast Structure
• Chloroplast Structure
• Chytrids
• Cilia
• Ciliated Protists
• Class Anthozoa - Sea Anemones & Corals
• Class Calcarea
• Class Cestoda -- The Tapeworms
• Class Chelicera
• Class Crustacea
• Class Demospongia
• Class Gastropods -- Snails and their Relatives
• Class Hexactinellida
• Class Hirundea -- The Leeches
• Class Hydrozoa - Hydra, Structure and Function
• Class Monogenea-Ectoparasites
• Class Oligochaeta
• Class Pelecypoda -- Bivalve Molluscs
• Class Scaphopoda -- Tooth Shells Class Cephalopoda -- Nautiloids, Squids, and Octopods
• Class Tremotia -- The Flukes: Structure, Function, Life Cycles
• Class Uniramia
• Colonial Protists
• Cyanobacteria
• DNA Directs Cell Activities
• DNA Overview
• DNA Structure and Replication
• Decomposition-Based Food Chains
• Diatoms and their Unlikely Relatives
• Dinoflagellates
• Discovery of Cells
• Discovery of Viruses, The
• Domain Bacteria
• Domain Eucarya
• Earthworm Anatomy & Function
• Echinoderms and the Fossil Record
• Electron Microscopes Make New Discoveries
• Electron Transport Chain and ATP Synthesis
• Endocytosis
• Enzymes: Life's Catalysts
• Euglenids, The
• Euglenids
• Eukaryotic Cell Evolves, The
• Evolution of Mitochondria, The
• Evolution of Plastids, The
• Exons and Introns
• Feather Stars (Crinodea)
• Flatworms Overview
• Fungi Summary
• Gene Regulation in Prokaryotes
• Glycolysis and Fermentation
• Golgi Function, Lysosomes and Hydrolytic Digestion
• Green Line of Evolution, The
• Green Protists
• HIV Infective Cycle
• HIV and RNA viruses
• How Cells Obtain Energy
• How Enzymes and Other Proteins are Made
• How Sponges Feed
• How Viruses are Cultured and Studied
• Human and Nematode Interactions
• Independent Living Eukaryotic Cells
• Introduction to Arthropods
• Introduction to Flatworms
• Introduction to Phylum Chordata
• Introduction to Sponge Cells and Organization
• Invention of Sex, The
• Krebs Cycle: More Energy Through Aerobic Respiration
• Lichens
• Life's Three Great Branches
• Light Independent Reactions of Photosynthesis, The
• Light-Independent Reactions, The
• Mammals
• Marine Hydrozoa - Obelia, The Life Cycle Class Scyphozoa - Jellyfish
• Meiosis
• Membrane Behavior and Cell Walls
• Microtubules
• Mitochondria: Powerhouses of the Cell
• Mitochondrion Structure
• Mitosis:Chromosome Condensation
• Mitosis
• Modes of Infection and Replication
• Molluscan Body Plan & Characteristics-Class Polyplacophora, The
• Motor Proteins Get Cells Moving
• Mutation and DNA Repair
• Mutations
• Mytosis and Cytokinesis
• Nematode Structure and Life Cycles
• Nucleotide Structure and Bonding
• Organic Molecules: The Building Blocks of Life
• Origins of Multicellular Organisms, The
• Osmosis
• Osmosis
• Paramecium
• Phagocytosis, Pinocytosis and Receptor Mediated Endocytosis
• Photosynthesis and Oxygen
• Photosynthesis
• Phylum Annelida and Class Polychaeta
• Phylum Platyhelminthes (flatworms): Structure and Function
• Planarians
• Planktonic Rotifers
• Plant Proteins and Nitrogen
• Prokaryote Evolution and Diversity
• Proofreading and Repair
• Protein Structure and Transcription
• Protists Living Inside Animals
• Replicating the Leading and Lagging Strands
• Replication Enzymes
• Reproduction and Behavior
• Rotifer Structure and Life Cycles
• Sea Cucumbers (Holothuroidea)
• Sea Stars
• Sea Urchins and Sand Dollars (Echinoidea)
• Self-Replicating Molecules Evolve
• Sponge Defenses
• Sponge Evolution
• Sponge Reproduction
• Sponge Skeleton, The
• Sponge Summary
• Structure and Behavior of the Plasma Membrane
• Summary of Gene Regulation
• Summary: How Cells Get Energy
• Summary: Phylum Arthropoda
• Summary: Urochordates, Cephalochordates, Vertebrates
• T-4 Bacteriophage Infective Cycle
• The Chemistry of Life: A Macromolecule Shuffle
• The Light Reactions of Photosynthesis
• The Light-Dependent Reactions
• The Role of Oxygen
• Topoisomerase and the Twisting Problem
• Translation and Protein Synthesis
• Transport Proteins
• Transport Proteins
• Turning on Bacterial Genes
• Urochordates
• Variety of Cells, A
• Vertebrates
• Virus Structure
• What and Where are Fungi?
• What is Algae?
• What is a Protist?
• Zygomycetes