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Diffusion & Cell Membrane
Terms in this set (11)
The substance (salts) that is dissolved. Example, Salt is the solute in salt water.
The liquid (water) that substances are dissolved in. Example, Water is the solvent that salt is dissolved in.
the special name given to the movement (diffusion) of water across
movement of a substance from a high concentration to a low concentration.
Substances will diffuse from........
High to Low concentration
A higher amount of solute (salts) outside the cell. Cells will shrink.
A lower amount of solutes (salts) outside the cells. Cells will swell
Some substances can pass through the membrane while other substances cannot.
Positive test for starch
turns blue/black when combined with iodine
Positive test for glucose
turns orange when combined with benedicts solution and heat.
when the concentration of the substances are the same on both sides of the membrane
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