Free online teaching resources
Cell Membrane: 3D Fluid Mosaic Model
Explore phospholipids, the lipid bilayer and membrane fluidity through a rotatable, step-by-step 3D model.
What to exploreExplore phospholipids, the bilayer and membrane fluidity.
Begin with the hydrophilic head and hydrophobic tails of a phospholipid, then examine the bilayer and membrane proteins. Use motion to discuss membrane fluidity.
Using it in classUse molecular arrangement and motion as evidence.
For teaching membrane structure, membrane fluidity and the interpretation of cell fusion experiments.
Ask why a cell membrane is not a rigid wall. Invite students to use molecular arrangement and movement as evidence in their explanations.