Honors November 9

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Honors November 9

  1. 1. ` Honors Biology - November 9th, 2011 SWBAT: Explain how substances diffuse across the cell membrane Warm Up: Homework check - have your homework and calendar out More to follow -->
  2. 2. Mark "A" for active, "P" for passive, and "B" for statements that apply to both types of transport.1.) Osmosis is an example of this2.) Moves substances from low to high3.) Requires the use of ATP/energy4.) Moves with the concentration gradient5.) Creates equilibrium across the cell membrane6.) Moves particles across the cell membrane
  3. 3. hyp tonic hyp tonic solutions cause cells to shrinksolutions cause cells to swell *solution has a lower water concentration than the cell, causing water to leave the cell until equilibrium is reached*Solution has a higher water concentration than the cell,causing water to rush into the cell until equilibrium is reached
  4. 4. is otonic solutionscontain equal concentrations of water inside and outside the cell

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