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Osmosis Lab
terms
14
Biology
Undergraduate 1
10/02/2008

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Term
plasma membrane is a ________ membrane
Definition
selectively permeable
Term
Solvent
Definition
substance that dissolves other things
Term
solute
Definition
molecules that enter into suspension
Term
Diffusion
Definition
Movement of molecules from an area of high concentration to low concentration
Term
concentration gradient
Definition
difference in the amount of a substance between two adjacent areas
Term
osmosis
Definition
water moves from an area of high concentration to low concentration
Term
hypertonic
Definition
higher solute concentration
Term
hypotonic
Definition
lower solute concentration
Term
isotonic
Definition
the same amount of solute as us
Term
passive transport
Definition
no energy expenditure to move across cell
Term
active transport
Definition
energy is spent to move across the concentration gradient
Term
facilitated diffusion
Definition
protein assisted transport
Term
plasmolysis
Definition
when water exits the cell
Term
hemolysis
Definition
when cell swells and lyse
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