diffusion and osmosis

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Post on 05-Dec-2014

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  • 1. Exchange with the Environment

2. Moving Material
Cells move materials in two ways
Passive Transport- Movement of material without the use of energy
Active Transport The use of energy to move material in or out of the cell
3. Passive Transport 2 types
Diffusion Movement of particles from an area of high concentration to an area of lower concentration
Osmosis Movement of water from an area of higher concentration to an area of lower concentration
4. 5. Active Transport
Endocytosis enclosing a large particle and transporting it into the cell
Exocytosis releasing an encased particle through the cell membrane