AP®︎ Biology | College Biology | Khan Academy (2024)

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5,400 possible mastery points

Welcome to AP®︎/College Biology!

In this course you’ll explore the amazing world of biology through topics like biochemistry, cell biology, genetics, evolution, and ecology. To make sure you’re prepared with the fundamentals, we recommend completing high school biology before diving into AP Biology.

AP®︎ Biology | College Biology | Khan Academy (2)

Unit 1: Chemistry of life

Structure of water and hydrogen bonding: Chemistry of lifeElements of life: Chemistry of lifeIntroduction to biological macromolecules: Chemistry of life

Properties, structure, and function of biological macromolecules: Chemistry of lifeNucleic acids: Chemistry of life

AP®︎ Biology | College Biology | Khan Academy (3)

Unit 2: Cell structure and function

Cell structures and their functions: Cell structure and functionCell size: Cell structure and functionPlasma membranes: Cell structure and functionMembrane permeability : Cell structure and function

Membrane transport: Cell structure and functionFacilitated diffusion: Cell structure and functionMechanisms of transport: tonicity and osmoregulation: Cell structure and functionCell compartmentalization and its origins: Cell structure and function

AP®︎ Biology | College Biology | Khan Academy (4)

Unit 3: Cellular energetics

Enzyme structure and catalysis: Cellular energeticsEnvironmental impacts on enzyme function: Cellular energeticsCellular energy: Cellular energetics

Photosynthesis: Cellular energeticsCellular respiration: Cellular energeticsFitness: Cellular energetics

AP®︎ Biology | College Biology | Khan Academy (5)

Unit 4: Cell communication and cell cycle

Cell communication: Cell communication and cell cycleSignal transduction: Cell communication and cell cycleChanges in signal transduction pathways: Cell communication and cell cycle

Feedback: Cell communication and cell cycleCell cycle: Cell communication and cell cycleRegulation of cell cycle: Cell communication and cell cycle

AP®︎ Biology | College Biology | Khan Academy (6)

Unit 5: Heredity

Meiosis and genetic diversity: HeredityMendelian genetics: HeredityNon-Mendelian genetics: Heredity

Environmental effects on phenotype: HeredityChromosomal inheritance: Heredity

AP®︎ Biology | College Biology | Khan Academy (7)

Unit 6: Gene expression and regulation

DNA and RNA structure: Gene expression and regulationReplication: Gene expression and regulationTranscription and RNA processing: Gene expression and regulation

Translation: Gene expression and regulationRegulation of gene expression and cell specialization: Gene expression and regulationMutations: Gene expression and regulationBiotechnology: Gene expression and regulation

AP®︎ Biology | College Biology | Khan Academy (8)

Unit 7: Natural selection

Natural selection: Natural selectionArtificial selection: Natural selectionPopulation genetics: Natural selectionHardy-Weinberg equilibrium: Natural selectionEvidence for evolution: Natural selection

Common ancestry and continuing evolution: Natural selectionPhylogeny: Natural selectionSpeciation: Natural selectionExtinction: Natural selectionVariations in populations: Natural selectionOrigins of life on earth: Natural selection

AP®︎ Biology | College Biology | Khan Academy (9)

Unit 8: Ecology

Responses to the environment: EcologyEnergy flow through ecosystems: EcologyPopulation ecology: Ecology

Community ecology: EcologyBiodiversity: EcologyDisruptions to ecosystems: Ecology

AP®︎ Biology | College Biology | Khan Academy (10)

Unit 9: Worked examples of AP®︎ Biology free response questions

Mastery unavailable

Worked examples - 2015: Worked examples of AP®︎ Biology free response questions

AP®︎ Biology | College Biology | Khan Academy (11)

Unit 10: AP®︎ Biology standards mappings

Mastery unavailable

See how our course content aligns with AP®︎ Biology standards: AP®︎ Biology standards mappings

Course challengeTest your knowledge of the skills in this course.Start Course challenge

Community questions

Biology is brought to you with support from the Amgen Foundation

Biology is brought to you with support from the

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AP® is a registered trademark of the College Board, which has not reviewed this resource.

AP®︎ Biology | College Biology | Khan Academy (2024)

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