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Osmosis
3.5 Test
13
Biology
Not Applicable
12/02/2004

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Term
Osmosis
Definition
the movement of water from a less concentrated area to a area with a bigger concentration of particles.
Term
Cell Membrane is made up of 2 layers the ___________ and ___________
Definition
phosolipid, protein
Term
Passive Transport
Definition
Movement of substances yhat does not require energy
Term
Diffusion
Definition
a type of passive transport that is the movement of molecules from concentrated areas to less concentrated areas
Term
molecules will spread out until they reach an ________________
Definition
Equalibrium
Term
Concentration
Definition
a specific amount of substance in a specific amount of water or air. The movement of molecules will continue until an equilibrium is reached
Term
Equilibrium
Definition
evenly distrubuted
Term
Semi-Permeable
Definition
it only lets certian subtances in or out of the cell
Term
Permeable
Definition
lets all things out of the cell
Term
Impermeable
Definition
dosen't let anything through to the cell
Term
hypertonic
Definition
The concentration of substances outside the cell is higher then on the inside of the cell
Term
hypontonic
Definition
the concentration of solute is lower on the inside than on the outside
Term
Isotonic
Definition
the concentration of solutes are equal
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