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Biology Concept Videos

Biology Video Lessons

Concept, example, and practice videos to guide you through the topics in your specific textbook.

Ch. 1 - Introduction to Biology

Introduction to Biology Characteristics of Life Life's Organizational Hierarchy Natural Selection and Evolution Introduction to Taxonomy Scientific Method Experimental Design

Ch. 2 - Chemistry

Atoms- Smallest Unit of Matter Isotopes Introduction to Chemical Bonding Covalent Bonds Noncovalent Bonds Ionic Bonding Hydrogen Bonding

Ch. 3 - Water

Introduction to Water Properties of Water- Cohesion and Adhesion Properties of Water- Density Properties of Water- Thermal Properties of Water- The Universal Solvent Acids and Bases pH Scale

Ch. 4 - Biomolecules

Carbon Functional Groups Introduction to Biomolecules Monomers & Polymers Carbohydrates Proteins Nucleic Acids Lipids

Ch. 5 - Cell Components

Microscopes Prokaryotic & Eukaryotic Cells Introduction to Eukaryotic Organelles Endomembrane System: Protein Secretion Endomembrane System: Digestive Organelles Mitochondria & Chloroplasts Endosymbiotic Theory Introduction to the Cytoskeleton Cell Junctions

Ch. 6 - The Membrane

Biological Membranes Types of Membrane Proteins Concentration Gradients and Diffusion Introduction to Membrane Transport Passive vs. Active Transport Osmosis Simple and Facilitated Diffusion Active Transport Endocytosis and Exocytosis

Ch. 7 - Energy and Metabolism

Introduction to Energy Laws of Thermodynamics Chemical Reactions ATP Enzymes Enzyme Activation Energy Enzyme Binding Factors Enzyme Inhibition Introduction to Metabolism Negative & Positive Feedback

Ch. 8 - Respiration

Redox Reactions Introduction to Cellular Respiration Types of Phosphorylation Glycolysis Pyruvate Oxidation Krebs Cycle Electron Transport Chain Chemiosmosis Review of Aerobic Cellular Respiration Fermentation & Anaerobic Respiration

Ch. 9 - Photosynthesis

Introduction to Photosynthesis Leaf & Chloroplast Anatomy Electromagnetic Spectrum Pigments of Photosynthesis Stages of Photosynthesis Light Reactions of Photosynthesis Calvin Cycle Photorespiration C3, C4 & CAM Plants Review of Photosynthesis

Ch. 10 - Cell Signaling

Introduction to Cell Signaling Classes of Signaling Receptors Types of Cell Signaling Signal Amplification

Ch. 11 - Cell Division

Introduction to Cell Division Organization of DNA in the Cell Introduction to the Cell Cycle Interphase Phases of Mitosis Cytokinesis Cell Cycle Regulation Review of the Cell Cycle Cancer

Ch. 12 - Meiosis

Genes & Alleles Homologous Chromosomes Life Cycle of Sexual Reproducers Introduction to Meiosis Meiosis I Meiosis II Genetic Variation During Meiosis Mitosis & Meiosis Review

Ch. 13 - Mendelian Genetics

Introduction to Mendel's Experiments Genotype vs. Phenotype Punnett Squares Mendel's Experiments Mendel's Laws Monohybrid Crosses Test Crosses Dihybrid Crosses Punnett Square Probability Incomplete Dominance vs. Codominance Epistasis Non-Mendelian Genetics Pedigrees Autosomal Inheritance Sex-Linked Inheritance X-Inactivation

Ch. 14 - DNA Synthesis

The Griffith Experiment The Hershey-Chase Experiment Chargaff's Rules Discovering the Structure of DNA Meselson-Stahl Experiment Introduction to DNA Replication DNA Polymerases Leading & Lagging DNA Strands Steps of DNA Replication DNA Repair Telomeres

Ch. 15 - Gene Expression

Central Dogma Introduction to Transcription Steps of Transcription Eukaryotic RNA Processing and Splicing Introduction to Types of RNA Genetic Code Introduction to Translation Steps of Translation Post-Translational Modification Review of Transcription vs. Translation Mutations

Ch. 16 - Regulation of Expression

Introduction to Regulation of Gene Expression Prokaryotic Gene Regulation via Operons The Lac Operon Glucose's Impact on Lac Operon The Trp Operon Review of the Lac Operon & Trp Operon Introduction to Eukaryotic Gene Regulation Eukaryotic Chromatin Modifications Eukaryotic Transcriptional Control Eukaryotic Post-Transcriptional Regulation Eukaryotic Post-Translational Regulation

Ch. 17 - Viruses


Ch. 18 - Biotechnology

Introduction to DNA-Based Technology Introduction to DNA Cloning Steps to DNA Cloning Introduction to Polymerase Chain Reaction The Steps of PCR Gel Electrophoresis Southern Blotting DNA Fingerprinting Introduction to DNA Sequencing Dideoxy Sequencing

Ch. 19 - Genomics


Ch. 20 - Development

Developmental Biology Animal Development Plant Development

Ch. 21 - Evolution by Natural Selection

Descent with Modification

Ch. 22 - Evolution of Populations

Hardy-Weinberg Model Genetic Variation

Ch. 23 - Speciation


Ch. 24 - History of Life on Earth

History of Life on Earth

Ch. 25 - Phylogeny


Ch. 26 - Prokaryotes

Prokaryote Cell Structures Prokaryote Reproduction and Gene Exchange Prokaryote Metabolism and Ecology Prokaryote Lineages

Ch. 28 - Protists

Protist Cells Protist Life Cycles Protist Lineages

Ch. 29 - Plants

Land Plants Nonvascular Plants Seedless Vascular Plants Seed Plants

Ch. 30 - Fungi

Fungi Fungi Reproduction

Ch. 31 - Overview of Animals

Overview of Animals

Ch. 32 - Invertebrates

Porifera and Cnideria Lophotrochozoans Ecdysozoans Echinoderms

Ch. 33 - Vertebrates

Chordates Aminotes Primates and Homonids

Ch. 34 - Plant Anatomy

Roots and Shoots Tissues Growth

Ch. 35 - Vascular Plant Transport

Water Potential

Ch. 36 - Soil

Soil and Nutrients Nitrogen Fixation

Ch. 37 - Plant Reproduction

Flowers Seeds

Ch. 38 - Plant Sensation and Response

Phototropism Tropisms and Hormones Plant Defenses

Ch. 39 - Animal Form and Function

Animal Tissues Metabolism and Homeostasis Thermoregulation

Ch. 40 - Digestive System

Digestion Blood Sugar Homeostasis

Ch. 41 - Circulatory System

Circulatory and Respiratory Anatomy Heart Physiology Gas Exchange

Ch. 42 - Immune System

Immune System Innate Immunity Adaptive Immunity

Ch. 43 - Osmoregulation and Excretion

Osmoregulation and Excretion

Ch. 44 - Endocrine System

Endocrine System

Ch. 45 - Animal Reproduction

Animal Reproduction

Ch. 46 - Nervous System

Neurons and Action Potentials Central and Peripheral Nervous System

Ch. 47 - Sensory Systems

Sensory System

Ch. 48 - Muscle Systems

Musculoskeletal System

Ch. 49 - Ecology


Ch. 50 - Animal Behavior

Animal Behavior

Ch. 51 - Population Ecology

Population Ecology

Ch. 52 - Community Ecology

Community Interactions Community Structure

Ch. 53 - Ecosystems


Ch. 54 - Conservation Biology

Conservation Biology

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Life: The Science of Biology

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