Stack #121371
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| Homeostasis | All organisms encounter great fluctuations in their enviornments (change in temperatures, water, pH, ect) that cause them to struggle continuosly to maintain a steady state.
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| Plasma Membrane | seperates the chemicals in the call from those in it's enviornment
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| Impermeable | when a substance can not pass through
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| Permeable | when a substance can pass through
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| Selectively Permeable | the membrane allows some substances through, while others cannot
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| Passive Transport | movement of a substance through a cell's membrane without using any energy
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| Diffusion | a net movement of particles from an area of high concentration to an area of low concentration
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| Equilibrium | concentration of a substance is the same throughtout a space
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| Solute | a substance that dissolves in another
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| Solvent | the more plentiful substance that dissolves the solute
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| Solution | the mixture of solutes and solvents
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| Osmosis | the diffusion of water molecules through a membrane from an area of high concentration to an area of low concentration
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| Tonicity | how the concentrations of solutes in 2 solutions compare
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| Isontonic | solute concentration inside and outside cells is equal
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| Hypotonic | Low in solutes, and water moves INTO cell
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| Hypertonic | High in solutes, water moves OUT OF solutes
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Created by:
maddiemyster