Science Ages 14-18 ● Media ready

AP®︎/College Biology

Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life.

10 units 62 lessons 165 videos 13 on CDN

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Unit 2 Chemistry of life

1 Structure of water and hydrogen bonding Free 5 video(s) ● 2 Elements of life Free 4 video(s) ● 3 Introduction to macromolecules Free 4 video(s) ● 5 Carbohydrates 🔒 Pro 1 video(s) 6 Lipids 🔒 Pro 2 video(s) 7 Nucleic acids 🔒 Pro 4 video(s) 8 Proteins 🔒 Pro 2 video(s) 9 Comparing macromolecules 🔒 Pro 11 Ecology: Unit test 🔒 Pro

Unit 3 Cells

1 Cell structure and function 🔒 Pro 4 video(s) 2 Cell size 🔒 Pro 4 video(s) 3 Plasma membrane 🔒 Pro 2 video(s) 5 Membrane permeability 🔒 Pro 3 video(s) 6 Membrane transport 🔒 Pro 4 video(s) 7 Facilitated diffusion 🔒 Pro 3 video(s) 9 Tonicity and osmoregulation 🔒 Pro 3 video(s) 10 Mechanisms of transport 🔒 Pro 2 video(s) 11 Cell compartmentalization and its origins 🔒 Pro 2 video(s)

Unit 4 Cellular energetics

1 Enzymes 🔒 Pro 1 video(s) 2 Environmental impacts on enzyme function 🔒 Pro 3 video(s) 3 Cellular energy 🔒 Pro 4 video(s) 5 Photosynthesis 🔒 Pro 4 video(s) 6 Cellular respiration 🔒 Pro 5 video(s)

Unit 5 Cell communication and cell cycle

1 Cell communication 🔒 Pro 3 video(s) 2 Signal transduction pathways 🔒 Pro 6 video(s) 4 Feedback 🔒 Pro 2 video(s) 5 Cell cycle 🔒 Pro 2 video(s) 6 Regulation of cell cycle 🔒 Pro 2 video(s)

Unit 6 Heredity

1 Meiosis and genetic diversity 🔒 Pro 6 video(s) 3 Mendelian genetics 🔒 Pro 5 video(s) 4 Non-Mendelian genetics 🔒 Pro 3 video(s) 5 Environmental effects on phenotype 🔒 Pro 2 video(s)

Unit 7 Gene expression and regulation

1 DNA and RNA structure 🔒 Pro 1 video(s) 2 Replication 🔒 Pro 3 video(s) 3 Transcription and RNA processing 🔒 Pro 2 video(s) 5 Translation 🔒 Pro 4 video(s) 6 Regulation of gene expression 🔒 Pro 5 video(s) 7 Gene expression and cell specialization 🔒 Pro 2 video(s) 9 Mutations 🔒 Pro 5 video(s) 10 Biotechnology 🔒 Pro 6 video(s)

Unit 8 Natural selection

1 Natural selection 🔒 Pro 3 video(s) 2 Artificial selection 🔒 Pro 1 video(s) 3 Population genetics 🔒 Pro 1 video(s) 5 Hardy-Weinberg equilibrium 🔒 Pro 4 video(s) 6 Evidence of evolution 🔒 Pro 3 video(s) 7 Common ancestry and continuing evolution 🔒 Pro 1 video(s) 9 Phylogeny 🔒 Pro 2 video(s) 10 Speciation 🔒 Pro 4 video(s) 12 Variations in populations 🔒 Pro 1 video(s) 13 Origins of life on earth 🔒 Pro 3 video(s)

Unit 9 Ecology

1 Responses to the environment 🔒 Pro 2 video(s) 2 Energy flow through ecosystems 🔒 Pro 4 video(s) 3 Biogeochemical cycles 🔒 Pro 5 Population ecology 🔒 Pro 3 video(s) 6 Effect of density on populations 🔒 Pro 2 video(s) 7 Community ecology and biodiversity 🔒 Pro 2 video(s) 9 Disruptions in ecosystems 🔒 Pro 3 video(s)

Unit 10 Explore biology through simulations

1 Introduction to simulation-based exercises 🔒 Pro 1 video(s) 2 PhET simulation: Exploring diffusion 🔒 Pro 3 PhET simulation: Exploring action potentials 🔒 Pro 4 PhET simulation: Exploring gene expression 🔒 Pro 5 PhET simulation: Exploring Hardy-Weinberg equilibrium 🔒 Pro