Cell Transport

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Cell Transport

Active Transport

Low to High Concentration

Requires a Protein

Moves Large/Charged Molecules

Sodium & Potassium

Requires Energy

Facilitated Diffusion

Requires a Channel Protein

Moves Large Molecules

Glucose

Osmosis

Requires a Transport Protein

Water

Diffusion

High to Low Concentration

Moves Small Molecules

Oxygen

Carbon Dioxide

Does not Need Energy