All AP Courses

Unit 2

AP Biology Unit 2: Cells

10–13% of the multiple-choice section · 10 topics

Cell structures and their jobs, cell size, the plasma membrane and what crosses it, transport across membranes, water movement, and why cells are divided into compartments.

Topics

  1. 2.1Cell Structure and Function
  2. 2.2Cell Size
  3. 2.3Plasma Membrane
  4. 2.4Membrane Permeability
  5. 2.5Membrane Transport
  6. 2.6Facilitated Diffusion
  7. 2.7Tonicity and Osmoregulation
  8. 2.8Mechanisms of Transport
  9. 2.9Cell Compartmentalization
  10. 2.10Origins of Cell Compartmentalization

Unit check

10 questions drawn from every lesson in Unit 2. Each wrong answer links back to where the idea is taught.

Take the Unit 2 check