- Fluid mosaic model (YouTube, 1.26min)
- The plasma membrane (YouTube, 5.15min)
- Transport of molecules across a plasma membrane (YouTube, 14.28min)
- Khan Academy – Fluid mosaic model of the plasma membrane (YouTube, 8.46min)
Which molecules can move through the cell membrane passively (by diffusion)?
Which molecules can move through the cell membrane by active transport (requiring energy)?
Which molecules cannot pass through the cell membrane?