AP®︎ Biology Unit 6: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 6 of AP Biology – Gene Expression and Regulation.

Exam weight: 12–16%
8 Topics

Unit 6: Gene Expression and Regulation

How genetic information flows from DNA to RNA to protein, and how cells control which genes are turned on or off.

Begin with Topic 6.1: DNA and RNA Structure

To review Unit 6, go through each of the 8 topics below.

Everything you actually need to know for your Unit 6 test, pulled directly from the AP® Biology curriculum.

Topic 6.1
~7 min
Review
DNA and RNA Structure
DNA and RNA Structure
  • DNA and RNA as Hereditary Material
  • The Structure of Nucleic Acids
  • How DNA Structure Enables Inheritance
Review
Topic 6.2
~6 min
Review
DNA Replication
DNA Replication
  • How DNA Replication Preserves Genetic Information
  • The Direction and Structure That Control Replication
  • The Key Enzymes of DNA Replication
Review
Topic 6.3
~7 min
Review
Transcription and RNA Processing
Transcription and RNA Processing
  • The Central Dogma and How Information Flows
  • Transcription
  • The Three Types of RNA
Review
Topic 6.4
~7 min
Review
Translation
Translation
  • From Gene to Protein to Trait
  • The Molecular Machinery of Translation
  • The Genetic Code
Review
Topic 6.5
~7 min
Review
Regulation of Gene Expression
Regulation of Gene Expression
  • Gene Expression and Why It Determines Phenotype
  • Regulatory Sequences and Transcription Factors
  • Epigenetic Regulation of Gene Expression
Review
Topic 6.6
~6 min
Review
Gene Expression and Cell Specialization
Gene Expression and Cell Specialization
  • How Gene Expression Is Controlled at the DNA Level
  • The DNA Regulatory Sequences and Proteins That Control Transcription
  • Negative Regulation of Gene Expression
Review
Topic 6.7
~7 min
Review
Mutations
Mutations
  • What a Mutation Is and Why It Matters
  • Types of Gene Mutations
  • Changes in Chromosome Number and Structure
Review
Topic 6.8
~7 min
Review
Biotechnology
Biotechnology
  • Genetic Engineering and Recombinant DNA
  • Core Biotechnology Techniques
  • DNA Fingerprinting and Comparing DNA Samples
Review

Notes

1 credit used · 5/5 remaining