Section 7-3 Cell Membrane Movement

Section 7-3 Cell - Movement across the Cell Membrane Membrane Section 7-3 Cell Membrane Cell Passive Transport Passive Movement across the Movement

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Unformatted text preview: Movement across the Cell Membrane Membrane Section 7-3 Cell Membrane Cell Passive Transport Passive Movement across the Movement cell membrane that takes no energy to be done. done. Diffusion Diffusion Movement of Movement substances from an area of high concentration to low concentration. concentration. Concentration Concentration Solute vs. Solvent Water: 93%: Solvent Sugar: 7%: Solute We have a 7% sugar solution. Example of Sugar in Water Example Inside the Cell Inside 7% Glucose 7% _______________________ _ Outside the Cell Outside 3% Glucose 3% Osmosis Osmosis Movement of water Movement across the cell membrane. membrane. Example with Water Example Inside the Cell Inside 98% water 98% ______________________ Outside the Cell Outside 96% water 96% Different Solutions Different Hypertonic: Hypertonic: The solution has a higher concentration of solute The when compared to another solution. when Hypotonic: Hypotonic: The solution has a lower concentration of solute The when compared to another solution. when Isotonic: Isotonic: The solutions have the same concentration of The solute. solute. Isotonic Solution Isotonic Inside the Cell Inside 93% Water-7% Salt 93% ______________________ Outside the Cell Outside 93% Water-7% Salt 93% Hypertonic vs. Hypotonic Hypertonic Inside the Cell Inside 92% Water-8% Salt 92% ______________________ Outside the Cell Outside 95% Water-5% Salt 95% Hypertonic vs. Hypotonic Hypertonic Inside the Cell Inside 98% Water-2% Salt 98% _____________________ Outside the Cell Outside 94% Water-6% Salt 94% ...
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This note was uploaded on 11/09/2011 for the course BIO 110 taught by Professor Harmon during the Winter '11 term at BYU.

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