AP Biology

Learn about the chemistry of life in unit 1 of the AP Biology course. We'll cover topics such as the structure of water, hydrogen bonding, elements of life, biological macromolecules, and nucleic acids. Prepare for the exam with these resources and you be on your way to crush the AP Bio exam!

Unit 1 – Chemistry of Life

1.5 Structure and Function of Biological Macromolecules

Structure and Function of Biological Macromolecules

Structure and Function of Biological Macromolecules - Slides

Nucleic Acids

Nucleic Acids - Slides

Chemistry Review for Biology Students

Introduction to Biological Macromolecules

1.7 Multiple Choice Questions

Elements of Life

1.3 Introduction to Biological Macromolecules

Unit 1 Overview: Chemistry of Life

Review of Unit 1 Part 2

AP Biology Unit 1

Structure of Water and Hydrogen Bonding

Intro to AP Biology

Intro to AP Biology - Slides

Elements of Life - Slides

AP Biology Unit 1 Review - Chemistry of Life

Chemistry Review for Biology Students - Slides

1.4 Properties of Biological Macromolecules

Review of Unit 1

Review of Unit 1 - Slides

Structure of Water and Hydrogen Bonding - Slides

Introduction to Biological Macromolecules - Slides

Overview of the AP Biology Exam with an Example FRQ for Unit 1

Biochemistry

Biochemistry - Slides

Intro to Unit 1 for Teachers

Properties of Biological Macromolecules

1.8 MC Answers and Review

Intro to Unit 1 for Teachers - Slides

Biochemistry Review - Unit 1 Biology

Review of Unit 1 Part 2 - Slides

1.6 Nucleic Acids

1.1 Structure of Water and Hydrogen Bonding

1.2 Elements of Life

Unit 2 of AP Biology covers cell structure and function. We'll go over key topics such as subcellular components, cell size, plasma membranes, membrane permeability, membrane transport, facilitated diffusion, tonicity, osmoregulation, and cell compartmentalization. 

Unit 2 – Cell Structure & Function

Cell Structure: Subcellular Components

Cell Structure: Subcellular Components - Slides

Cellular Structure & Transport

Review of Unit 2

2.4 Plasma Membranes

2.3 Cell Size

Plasma Membranes

2.13 MC Answers and Review

2.6 Membrane Transport

Membrane Transport

Back to Basics: Cells

Back to Basics: Cells - Slides

Plasma Membranes - Slides

Mechanisms of Transport

Mechanisms of Transport - Slides

Cell Structure and Function

2.10 Cell Compartmentalization

Cell Compartmentalization and Its Origin

Cell Compartmentalization and Its Origin - Slides

Membrane Transport - Slides

Facilitated Diffusion

Facilitated Diffusion - Slides

Membrane Permeability

Cell Size

Cell Size - Slides

Tonicity and Osmoregulation

Tonicity and Osmoregulation - Slides

Dialysis Lab

Community Ecology and Ecology Math - Slides

Membrane Permeability - Slides

2.12 Multiple  Choice Questions

Review of Unit 2 - Slides

Cellular Structure & Transport - Slides

2.2 Cell Structure and Function

2.5 Membrane Permeability

2.8 Tonicity and Osmoregulation

2.11 Origins of Cell Compartmentalization

2.7 Facilitated Diffusion

2.1 Cell Structure: Subcellular Components

2.9 Mechanisms of Transport

Unit 2 Overview: Cell Structure and Function

Unit 3 of AP Biology is all about cellular energetics. Review topics such as enzyme structure, enzyme catalysis, environmental impacts on enzyme function, cellular energy, and photosynthesis. 

Unit 3 – Cellular Energetics

Enzyme Catalysis

Unit 3 Overview: Cellular Energetics

Enzyme Structure

Photosynthesis

Photosynthesis - Slides

Enzyme Structure - Slides

Cellular Respiration

Cellular Respiration - Slides

Enzyme Catalysis - Slides

Cellular Energy

3.8 Multiple Choice Questions

Presentation Slides, Cellular Energy

Presentation Slides, Enzyme Catalysis

Environmental Impacts on Enzyme Function

Environmental Impacts on Enzyme Function - Slides

Review of Unit 3

3.1 Enzyme Structure

3.9 MC Answers and Review

3.5 Photosynthesis

Review of Unit 3 - Slides

3.6 Cellular Respiration

3.2 Enzyme Catalysis

3.7 Fitness

3.3 Environmental Impacts on Enzyme Function

3.4 Cellular Energy

Learn about how cells communicate and reproduce in unit 4 of AP Biology. Our study guides for unit 4 cover cell communication, signal transduction, changes in signal transduction pathways, feedback, cell cycle basics, and regulation of the cell cycle. 

Unit 4 – Cell Communication & Cell Cycle

Cell Communication

Cell Communication - Slides

Mitosis & Meiosis

Endocrine System

4.6 Cell Cycle

Body Systems

4.9 MC Answers and Review

Immune System

Immune System - Slides

Nervous System

Mitosis & Meiosis - Slides

Cell Signaling

Abiotic Signaling

4.3 Signal Transduction

4.5 Homeostasis & Feedback Loops

4.2 Introduction to Signal Transduction

Cell Signaling - Slides

Body systems

Presentation slides, Body systems 

Endocrine System - Slides

4.8 Multiple Choice Questions

4.1 Cell Communication

Nervous System - Slides

Abiotic Signaling - Slides

Feedback Mechanisms and the Cell Cycle

4.4 Changes in Signal Transduction Pathways

4.7 Regulation of Cell Cycle

Unit 4 Overview: Cell Communication and Cell Cycle

Get a solid understanding of heredity in unit 5 of the AP Biology exam. We'll cover topics such as meiosis, genetic diversity, mendelian genetics, non-mendelian genetics, environmental effects on phenotype, and chromosomal inheritance. 

Unit 5 – Heredity

5.4 Non-Mendelian Genetics

Mendelian and Non-Mendelian Genetics and Chi Square

Non-Mendelian Genetics & Pedigrees

Non-Mendelian Genetics & Pedigrees - Slides

5.7 Multiple Choice Questions

Chi Square Analysis

Mendelian Genetics

Mendelian Genetics - Slides

5.6 Chromosomal Inheritance

5.3 Mendelian Genetics

Chi Square Analysis - Slides

Meiosis and an Intro to Heredity

Meiosis and an Intro to Heredity - Slides

5.8 MC Answers and Review

Non-Mendelian Genetics - Slides

5.1 Meiosis

Unit 5 Overview: Heredity

5.2 Meiosis and Genetic Diversity

5.5 Environmental Effects on Phenotype

Join us in exploring gene expression and regulation for the AP Biology exam. We'll cover all the topics in unit 6, such as DNA and RNA structure, replication, transcription, RNA processing, translation, regulation of gene representation, cell specialization, mutations, and biotechnology. 

Unit 6 – Gene Expression & Regulation

DNA Replication, Transcription, and Translation

transformation lab

Presentation Slides, Transformation Lab

Biotechnology

Biotechnology - Slides

Gene Expression, Cell Specialization, and Mutations

Gene Regulation

Gene to Protein

DNA Replication

DNA Replication - Stream Slides

6.5 Regulation of Gene Expression

6.4 Translation

DNA Replication, Transcription, and Translation - Slides

Gene Regulation - Slides

6.7 Mutations

Bacteria & Viruses

Gene to Protein - Stream Slides

6.6 Gene Expression and Cell Specialization

Bateria & Viruses

Bateria & Viruses - Slides

6.1 DNA and RNA Structure 

6.8 Biotechnology

Unit 6 Overview: Gene Expression and Regulation

6.2 Replication

6.3 Transcription and RNA Processing

Understanding natural selection is crucial to learning about how ecosystems function. Learn about unit 7 of AP Biology as we cover topics such as artificial selection, population genetics, hardy-weinberg equilibrium, evidence of evolution, common ancestry, continuing evolution, phylogeny, speciation, extinction, and origin of life on earth. 

🧬AP Biology - Free Response Questions (FRQ)

Exam Date: May 10, 2023

Study Guides

Unit 3 FRQ (Commercial Fertilizers) Answers

Unit 6 FRQ (Genetic Expression) with Feedback

Unit 4 FRQ (Blood Sugar Homeostasis)

Unit 2 FRQ (Intercellular Transport) Answers

Biology Long Essay Free Response Questions

Unit 4 FRQ (Blood Sugar Homeostasis) Answers

Unit 1 FRQ (Protein Powders)

Unit 6 FRQ (Genetic Mutations)

Unit 1 FRQ (Protein Powders) Answers

Unit 3 FRQ (Commercial Fertilizers)

Unit 5 FRQ (Punnett Squares)

Unit 7 FRQ (Evolutionary Advantages)

Unit 2 FRQ (Intercellular Transport)

Unit 8 FRQ (Invasive Species)

Biology Short Essay Free Response Questions

Unit 5 FRQ (Punnett Squares) Answers

Replays

Long Free Response: Labs & Data

2019 Exam Review - Version O FRQ

Q and A

2015 FRQ Review

2016 FRQ Review

2017 FRQ Review

2018 FRQ Review

2019 FRQ Review

Slides

Long Free Response: Labs & Data - Slides

Biology Q & A Slides

Presentation Slides, 2015 FRQ

Presentation Slides, 2016 FRQ

Presentation Slides, 2017 FRQ

Presentation slides, 2018 FRQ

Presentation Slides, 2019 FRQ Review

Blogs

Unit 4 FRQ (Cellular Regulatory Mechanisms) with Feedback

Unit 2 FRQ (Vacuole pH) with Feedback

AP Biology Free Response Questions (FRQ) – Past Prompts

Unit 3 FRQ (Glycolysis) with Feedback

Unit 5 FRQ (Phenotypes) with Feedback

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