🔒 Pro members only
Membrane transport
Compare passive and active transport based on concentration gradients and energy use. Predict and investigate diffusion across selectively permeable membranes. Explain how endocytosis—including phagocytosis and pinocytosis—and exocytosis move bulk materials into and out of cells.
This lesson is part of the members-only content of AP®︎/College Biology. The first 3 lessons of every course are free — this one starts after the free preview.
- ✓ Unlimited access to every lesson, video and article
- ✓ All subjects and age groups in one membership
- ✓ Cancel anytime · Visa & MasterCard accepted