Biology Unit 3

For the upcoming unit 3 exam

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  • Created by: Emily
  • Created on: 22-02-12 18:28

What is Osmosis?

Movement of water

Across a Semi-permeable membrane

Down a concentration gradient

From a Higher concentration to a lower concentration

http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter2/animation__how_osmosis_works.html

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Osmosis

If the Osmotic concentrations of two solutions are equal, the solutions are isotonic.

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Unequal Osmotic Concentrations

Higher Concentration of Solutes = Hypertonic

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Lower Concentration of Solutes = Hypotonic

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