Cells, Osmosis, and Diffusion

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Cells, Osmosis, and Diffusion

• Bio CC

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Eukaryotic vs. Prokaryotic

• Prokaryotes organism that doesnt contain a
  nucleus. Usually small and single celled.
• Ex. bacteria
• Eukaryote- organism made of cells that contain a
  nucleus.
• Ex. Plants, animals, fungi

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Eukaryotic Cell
Prokaryotic Cell
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Osmosis

• Osmosis- the diffusion of water through a
  semi-permeable membrane.

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Diffusion

• Diffusion- process by which substances spread
  through a liquid or gas from regions of high
  concentration to regions of low concentration
• Diffusion is osmosis with a substance other than
  water.
• Ex. Dye in water

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Web Site Examples

• Ex. http//www.wiley.com/legacy/college/boyer/0470
  003790/animations/membrane_transport/membrane_tran
  sport.htm
• Ex. http//www.biosci.ohiou.edu/introbioslab/Bios1
  70/diffusion/Diffusion.html