BRAINCAKEFacilitated Diffusion
Like simple diffusion, facilitated diffusion is a passive process.
It relies on simple diffusion through a protein channel or carrier protein.
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Key terms in this lesson
- phospholipid
- A lipid in which one fatty acid is replaced by a phosphate group, giving a hydrophilic head and hydrophobic tails.
- diffusion
- The net passive movement of molecules or ions from a region of higher concentration to a region of lower concentration, down a concentration gradient.
More in Transport Across Cell Membranes
- Glycoproteins
- Fluid-mosaic Model
- Membrane Permeability
- Simple Diffusion
- Protein Channels
- Carrier Proteins
- Water Potentital Φ
- Osmosis
All 22 lessons in Transport Across Cell Membranes · All AQA AS-level Biology topics