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Cards In This Set
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What are the functions of the cell membrane?
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It controls what goes in and out of the cell.
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Is the following sentence true or false: The cell wall lies inside the cell membrane.
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False
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What is the main function of the cell wall?
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To provide support and protection
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What are plant cell walls mostly made of?
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Fibers of carbohydrates and proteins
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What is diffusion?
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Movement of particles from high to low concentration.
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What is meant when a system has reached it's equilibrium?
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When the concentration is the same throughout a system.
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What does it mean that biological membranes are selectively permeable?
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It means only certain things can go in/out
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Water tends to diffuse from a region where it is less concentrated to a region where it is highly concentrated. True or False?
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True
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When will water stop moving across a membrane?
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When it reaches it's equilibrium
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What does Isotonic mean?
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Water is equal inside the cell and outside the cell
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What does Hypertonic mean?
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More water is inside the cell, the water will move OUT of the cell.
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What does Hypotonic mean?
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More water is outside the cell, the water moves IN the cell.
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On which side of a selectively permeable membrane does omosis exert a pressure?
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On the hypertonic side of the membrane
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What is the solute?
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The material being dissolved
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What is the solvent?
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The material that's dissolving the solute
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