Unit 0: Foundations
Module 01: Four Core Concepts of Biology
Module 02: Scientific Inquiry
Module 03: Visual Representations
Tutorial 1: Graphing
Illustrative Example: The Extinction of the Dinosaurs
Unit 1: Chemistry of Life
Module 1: Elements of Life
Module 2: Structure of Water and Hydrogen Bonding
Module 3: Carbohydrates and Lipids
Module 4: Nucleic Acids
Module 5: Proteins
Tutorial 2: Statistics
Illustrative Example: Luck and Penicillin
Unit 1 AP Practice Questions
Unit 2: Cells
Module 6: An Introduction to the Cell
Module 7: Cell Structure and Function
Module 8: Cell Size
Module 9: Plasma Membrane
Module 10: Mechanisms of Membrane Transport
Module 11: Osmosis, Tonicity, and Osmoregulation
Module 12: Origin of Compartmentalization and the Eukaryotic Cell
Illustrative Example: Plant-Fungal Associations
Unit 2 AP Practice Questions
Unit 3: Cellular Energetics
Module 13: Cellular Energy
Module 14: Enzymes and Environmental Impact on Enzyme Function
Module 15: Photosynthesis I: Overview
Module 16: Photosynthesis II: Biochemistry and Evolution
Module 17: Cellular Respiration I: Overview
Module 18: Cellular Respiration II: Biochemistry
Illustrative Example: A Photosynthetic Salamander
Unit 3 AP Practice Questions
Unit 4: Cell Communication and Cell Cycle
Module 19: Cell Communication
Module 20: Introduction to Signal Transduction
Module 21: Signal Transduction Pathways
Module 22: Feedback
Module 23: Cell Cycle
Module 24: Regulation of Cell Cycle
Illustrative Example: Cell Signaling and Cancer
Unit 4 AP Practice Questions
Unit 5: Heredity
Module 25: Meiosis and Genetic Diversity
Module 26: Mendelian Genetics
Tutorial 3: Probability
Module 27: Non-Mendelian Genetics
Module 28: Environmental Effects on Phenotypes
Illustrative Example: Living in a Lonely and Scary World
Unit 5 AP Practice Questions
Unit 6: Gene Expression and Regulation
Module 29: DNA and RNA Structure and Function
Module 30: DNA Replication
Module 31: Transcription and RNA Processing
Module 32: Translation
Module 33: Regulation of Gene Expression
Module 34: Cell Specialization and Development
Module 35: Mutations
Module 36: Biotechnology
Illustrative Example: CRISPR Scissors
Unit 6 AP Practice Questions
Unit 7: Evolution and Natural Selection
Module 37: Introduction to Evolution and Natural Selection
Module 38: Natural and Artificial Selection
Module 39: Population Genetics
Module 40: Hardy-Weinberg Equilibrium
Module 41: Evidence of Common Ancestry and Evolution
Module 42: Continuing Evolution
Module 43: Phylogeny
Module 44: Speciation
Module 45: Variation in Populations
Module 46: Origins of Life on Earth
Illustrative Example: The Anthropocene
Unit 7 AP Practice Questions
Unit 8: Ecology
Module 47: Responses to the Environment
Module 48: Energy Flow through Ecosystems
Module 49: Population Ecology
Module 50: Effect of Density on Populations
Tutorial 4: Rate and Growth in Populations Ecology
Module 51: Community Ecology
Module 52: Biodiversity
Module 53: Disruptions in Ecosystems
Illustrative Example: Impacts of Salt on Freshwater Ecosystems
Unit 8 AP Practice Questions
Cumulative AP Biology Practice Exam
Enrichment Modules
Enrichment Module A: The Nervous, Endocrine, and Immune Systems
Enrichment Module B: Animal Sensory Systems
Enrichment Module C: Viruses
Glossary / Glosario
Answers to Concept Check, Review, and Tutorial Practice Questions
The Periodic Table of the Elements
