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Educator's Regular Biology lecture series covers two semester's worth of material ranging from Cells and Genes to Evolution, Reproduction, and Ecology. University of California professors narrate illustrative animations designed around biology's essential graphical components. The entire selection of videos is free and all information is up to California teaching content standards. Credits go to the University of California College Preparation program.

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I. Welcome to Biology
  Biology and Biologists 18:11
   1: Overview  
   2: What is Biology?  
   3: How Do Biologists Study?  
   4: Biology as a Human Endeavor  
   5: Summary  
  The Chemical Basis of Life 12:17
   1: Overview  
   2: Elements of Life  
   3: Atoms and Molecules  
   4: Chemical Reactions  
   5: Summary  
  Water and Life 17:48
   1: Overview  
   2: The Nature of Water  
   3: Physical Properties of Water  
   4: Summary  
  Acids, Bases and Buffers
   1: Acids, Bases and Buffers  
  Organic Molecules 16:32
   1: Overview  
   2: Organic Chemistry  
   3: Food Energy Molecules  
   4: Nitrogen Containing Compounds  
   5: Summary  
  Macromolecules 16:07
   1: Overview  
   2: Structure and Function of Polysaccharides  
   3: Structure and Function of Fats  
   4: Structure and Function of Proteins  
   5: Summary  
   Cell Structure and Function  
  Cells: The Basics 16:03
   1: Overview  
   2: What Are Cells?  
   3: Prokaryotes and Eukaryotes  
   4: Tools for Studying Cells  
   5: Summary  
  More about Cells 23:19
   1: Overview  
   2: Cellular Organelles  
   3: Cell Structure and Movement  
   4: Extracellular Structures  
   5: Summary  
  Cell Membranes 24:14
   1: Overview  
   2: Membrane Structure  
   3: Transport Mechanisms  
   4: Membrane Proteins  
   5: Summary  
II. The Gene
  DNA Discovery & Structure 13:01
   1: Overview  
   2: Discovery  
   3: Structure  
   4: Implications  
   5: Summary  
  DNA Replication 21:03
   1: Overview  
   2: The Mechanism  
   3: The Accuracy of Replication  
   4: Summary  
  The Transcription of DNA to RNA 17:05
   1: Overview  
   2: Genes Encode Proteins  
   3: RNA Structure and Function  
   4: The Initiation of Transcription  
   5: Elongation, Termination, and Processing  
   6: Summary  
  Translation: Protein Synthesis 18:30
   1: Overview  
   2: Decoding RNA  
   3: The Components of Translation  
   4: The Mechanism of Translation  
   5: Summary  
  Eukaryotic Genomes 18:37
   1: Overview  
   2: The Organization of Genetic Material  
   3: Chromatin Structure  
   4: The Regulation of Gene Expression  
   5: Summary  
  Viral & Bacterial Genomes 12:50
   1: Overview  
   2: Viruses  
   3: Bacteria  
   4: Summary  
  Applications of Biotechnology 13:29
   1: Overview  
   2: Agricultural Applications  
   3: Medical Applications  
   4: Legal Applications  
   5: Practical and Ethical Concerns  
   6: Summary  
III. Principles of Heredity
  The Cell Cycle & Mitosis 15:41
   1: Overview  
   2: The Cell Cycle  
   3: Mitosis and Cytokinesis  
   4: Experiment  
   5: Summary  
  Sexual Life Cycle & Meiosis 26:05
   1: Overview  
   2: Life Cycles  
   3: State of Meiosis  
   4: Sources of Genetic Variation  
   5: Summary  
   6: Demonstration  
  The Mendelian Model of Inheritance 16:33
   1: Overview  
   2: Mendel's Experiments  
   3: Mendel's Law of Segregation  
   4: Mendel's Law of Independent Assortment  
   5: Summary  
  Extensions of Mendel
   1: Extensions of Mendel  
  Genes & Chromosomes 16:57
   1: Overview  
   2: The Chromosome Theory  
   3: Sex Chromosomes  
   4: Chromosomal Abnormalities  
   5: Summary  
IV. Evolutionary Biology
  Darwin in Historical Context 13:24
   1: Overview  
   2: The Historical Setting  
   3: Darwin's Theory of Evolution  
   4: The Evidence for Evolution  
   5: Summary  
  Mechanisms of Evolution 19:21
   1: Overview  
   2: Population Genetics  
   3: The Process of Genetic Change  
   4: Preserving the Diversity  
   5: Summary  
  Speciation 12:15
   1: Overview  
   2: Geographic and Reproductive Barriers  
   3: Types of Speciation  
   4: The Hybrid Zone  
   5: The Rate of Speciation  
   6: Summary  
V. Biological Diversity
  Systematics: Classifying Organisms 20:38
   1: Overview  
   2: Naming Organisms  
   3: Constructing Phylogenetic Trees  
   4: Modern Taxonomy  
   5: Summary  
  The History of Life on Earth 1:41
   1: The History of Life on Earth  
   2: Experiment (Dating Fossils)  
  Prokaryotes 20:52
   1: Overview  
   2: Physical Characteristics of Prokaryotic Cells  
   3: Prokaryotic Lifestyles  
   4: Two Domains: Bacteria and Archaea  
   5: Summary  
  Unicellular Eukaryotes 23:09
   1: Overview  
   2: The Kingdom Protista  
   3: Protozoans  
   4: Plantlike Protists  
   5: Fungus-like Protists  
   6: Summary  
  Plants and Their Relatives 12:46
   1: Overview  
   2: Colonizing the Land  
   3: The Rise of Vascular Plants  
   4: Cones, Flowers, and Seeds  
   5: Summary  
  The Fungi 17:08
   1: Overview  
   2: Characteristics of Fungi  
   3: Surveys of Fungal Diversity  
   4: Summary  
  An Introduction to the Animals 16:11
   1: Overview  
   2: Animal Fundamentals  
   3: Body Plans  
   4: Protostomes and Deuterostomes  
   5: Summary  
  From Invertebrates to Vertebrates 20:45
   1: Overview  
   2: More Protostomes  
   3: Deuterostomes and Early Vertebrates  
   4: Vertebrate Diversity  
   5: Summary  
VI. The Energetics of Life
  Cellular Energy Currency
   1: Cellular Energy Currency  
  Enzymes and Metabolism 17:52
   1: Overview  
   2: Enzymes as Catalysts  
   3: Enzyme Specificity  
   4: Enzyme Kinetics  
   5: Summary  
  An Overview of Metabolism 10:54
   1: Overview  
   2: Metabolic Strategies  
   3: The Organization of Metabolic Pathways  
   4: The Energetics of Metabolism  
   5: Summary  
  Glycolysis 29:51
   1: Overview  
   2: The Glycolytic Pathway  
   3: The Fate of Pyruvate and NADH  
   4: The Regulation of Glycolysis  
   5: Summary  
   5: Observation  
  The TCA Cycle 21:04
   1: Overview  
   2: The TCA Cycle  
   3: The Fate of Carbon Atoms  
   4: The Regulation of Energetics of the TCA Cycle  
   5: Summary  
  Electron Transport, ATP Synthesis, and Chemiosmosis 21:05
   1: Overview  
   2: The Electron Transport Chain  
   3: The Synthesis of ATP  
   4: Chemiosmosis  
   5: Summary  
VII. Animal Structure, Reproduction and Development
  Animal Form and Function 15:00
   1: Overview  
   2: The Structure of Animal Tissue  
   3: Organs and Organ Systems  
   4: Homeostasis  
   5: Summary  
  Animal Reproduction 16:17
   1: Overview  
   2: Types of Fertilization  
   3: Gamete Production  
   4: Reproductive Anatomy  
   5: Hormonal Control of Reproduction  
   6: Summary  
  Animal Development 20:38
   1: Overview  
   2: The Processes of Development  
   3: Embryonic Development  
   4: The Control of Development  
   5: Human Development  
   6: Summary  
VIII. Circulation, Body's Defenses, Nutrition
  The Circulatory System 20:19
   1: Overview  
   2: Animal Circulatory Systems  
   3: Vertebrate Circulatory Systems  
   4: The Vascular System  
   5: The Human Circulatory System  
   6: Summary  
  The Respiratory System 25:41
   1: Overview  
   2: Types of Respiratory Systems  
   3: The Human Respiratory System  
   4: Gas Exchange  
   5: Gas Transport  
   6: Summary  
  The Lymphatic System and the Blood 12:23
   1: Overview  
   2: The Lymphatic System  
   3: The Blood  
   4: Summary  
  Nonspecific Immune Defenses 11:28
   1: Overview  
   2: The Barriers of Infection  
   3: The Nonspecific Immune Response  
   4: Summary  
  Specific Immune Defenses 24:09
   1: Overview  
   2: The Specific Immune Response  
   3: The Cellular Response  
   4: The Humoral Response  
   5: Disorders of the Immune System  
   6: Summary  
  Diet and Feeding Mechanisms 17:12
   1: Overview  
   2: Feeding Mechanisms  
   3: Food and Energy  
   4: Food for Biosynthesis  
   5: Essential Nutrients  
   6: Summary  
  The Digestive System 21:05
   1: Overview  
   2: Vertebrate Digestive Systems  
   3: The Human Digestive System  
   4: The Regulation of Digestion  
   5: Summary  
  Osmoregulation and Excretion 21:00
   1: Overview  
   2: The Excretion of Water and Wastes  
   3: The Synthesis of ATP  
   4: Chemiosmosis  
   5: Summary  
IX. Nervous System and Internal Controls
  Nervous Systems and Sensation 25:08
   1: Overview  
   2: Organization of Nervous Systems  
   3: Peripheral Nervous Systems  
   4: Central Nervous Systems  
   5: Sensory Reception  
   6: Summary  
  How Nerves Work 22:50
   1: Overview  
   2: Neuron Structure  
   3: Intracellular Signaling  
   4: Intercellular Signaling  
   5: Summary  
  Hormones 30:22
   1: Overview  
   2: Chemical Characteristics of Hormones  
   3: Mechanisms of Hormone Actions  
   4: Hormones as Chemical Signals  
   5: Summary  
   6: Experiment: Insect Metamorphosis  
  The Endocrine System 19:24
   1: Overview  
   2: The Hypothalamus and the Pituitary Gland  
   3: The Thyroid Gland  
   4: The Pancreas  
   5: The Adrenal Glands and the Gonads  
   6: Summary  
  Skeletons 13:58
   1: Overview  
   2: Hydrostatic Skeletons and Exoskeletons  
   3: Endoskeletons  
   4: Summary  
  Muscle Structure and Contraction 17:26
   1: Overview  
   2: The Structure of Skeletal Muscle  
   3: Skeletal Muscle Contraction  
   4: Other Types of Muscle  
   5: Summary  
X. Plants: Form and Function
  Plant Nutrition 21:04
   1: Overview  
   2: Essential Nutrients  
   3: Soil  
   4: Nitrogen Fixation  
   5: Summary  
  Introduction to Photosynthesis 20:51
   1: Overview  
   2: Energy From the Sun  
   3: Carbon Fixation  
   4: Photopigment Demonstration  
   5: Summary  
   6: Experiment: Plant Pigments  
  The Light Reactions 18:24
   1: Overview  
   2: Photosystems I and II  
   3: Chemiosmosis in Plants  
   4: Light Energy in Photosynthesis Experiment  
   5: Summary  
  The Calvin-Benson Cycle 14:32
   1: Overview  
   2: The Conversion of Carbon Dioxide to Sugar  
   3: Photorespiration  
   4: C4 Plants  
   5: Summary  
  Plant Reproduction and Development 21:35
   1: Overview  
   2: The Electron Transport Chain  
   3: The Synthesis of ATP  
   4: Chemiosmosis  
   5: Summary  
  Control Systems in Plants 16:52
   1: Control Systems in Plants: Overview  
   2: Plant Hormones  
   3: Biological Clocks  
   4: Responses to Environmental Stress  
   5: Control Systems in Plants: Summary  
XI. Ecology
  The Natural Setting 21:18
   1: Overview  
   2: Abiotic Factors Affecting Living Systems  
   3: Terrestrial Biomes  
   4: Aquatic Biomes  
   5: Summary  
  Population Ecology 21:02
   1: Overview  
   2: Population Distribution  
   3: Models of Population Growth  
   4: Regulating Population Size  
   5: Summary  
  CommModuley Ecology 22:29
   1: Overview  
   2: CommModuley Structure  
   3: Ecological Interactions  
   4: The Dynamics of CommModuleies  
   5: Summary  
  Energy Flow and the Water Cycle 21:56
   1: Overview  
   2: Feeding Relationships  
   3: Energy Flow  
   4: The Water Cycle  
   5: Summary  
  Chemical Element Cycles 20:47
   1: Overview  
   2: The Carbon Cycle  
   3: The Nitrogen Cycle  
   4: The Phosphorus Cycle  
   5: Summary  
XII. Conservation Biology
  Generation Advancement 21:49
   1: Overview  
   2: Environmental Degradation  
   3: The Loss of Biodiversity  
   4: Saving Our Planet  
   5: Summary  
  Basics of Behavior 23:00
   1: Overview  
   2: The Causes of Behavior  
   3: Cognition and Learning  
   4: The Genetics of Behavior  
   5: The Evolution of Behavior  
   6: Summary  
  Social Behavior 24:03
   1: Overview  
   2: Animal Communication  
   3: Mating Behaviors  
   4: Costs and Benefits  
   5: Altruism  
   6: Summary