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Passive Transport

Passive transport and the Cell Membrane Structure

TermDefinition
Phospholipid Type of lipid that makes up the structure of the cell membrane
Hydrophobic Water fearing fatty acid tails
Hydrophilic Water loving phosphate heads
Fluid Mosaic Model Description of the cell membrane because it acts like a fluid and is very flexible
Properties of Passive Transport (1) requires no energy (2) moves from high to low concentration gradient
Concentration Gradient An unequal build up of molecules on one side of the cell membrane
Diffusion Movement of particles from high to low concentration; no energy is required (EX: oxygen, water, carbon dioxide)
Osmosis Movement of water from high to low concentration; no energy is required
Facilitated Diffusion Movement of very large particles from high to low concentration; no energy is required and the particles move through a protein channel (EX: glucose)
Solute Stuff being dissolved (EX: salt, sugar)
Solvent Stuff doing the dissolving (EX: Water)
Created by: jafulle3
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