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cell study guide
transport study guide
13
Biology
10th Grade
01/27/2013

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Term
Isotonic solution
Definition
Cells stay the same size because the amount of water leaving the cell is the same as the amount entering.
Term
Golgi bodies
Definition
Use exocytosis to transport molecules out of cells.
Term
Cell membranes
Definition
Constructed mainly of lipid bilayers.
Term
Hypotonic solution
Definition
Placing an animal cell in this solution will cause water to move into the cell.
Term
White blood cells
Definition
Engulf, digest and destroy invading bacteria using phagocytosis.
Term
Osmosis
Definition
The diffusion of water across a selectively permeable membrane through aquaporins.
Term
Equilibrium
Definition
When the concentration of a solute is the same throughout the system.
Term
Carbohydrates
Definition
Allow cells to recognize each othe.
Term
Solute
Definition
The substance that dissolves to make a solution.
Term
Concentration gradient
Definition
During diffusion, molecules tend to move down this.
Term
Osmotic pressure
Definition
Pressure exerted by water during osmosis.
Term
Proton pumps
Definition
A cell must expend energy to transport substances using these.
Term
Hypertonic solution
Definition
Causes water to move out of the cell.
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