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26 Cards in this Set

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diffusion is the net movement of substances from low to high concentration or high to low concentration?
high concentration to low concentration
is diffusion faster in a gel or a liquid? and why?
liquid because liquid molecules are farther apart
is diffusion faster in hot or cold water? and why?
hot, because the higher the temp the faster molecules move in water
what moved through the baggie starch or iodine? and by what process?
iodine, diffusion
what were the two substances in the NaCl solution?
water and sodium chloride
what was the solute?
sodium chloride
what was the solvent?
water
what was left over in the test tube after the reaction?
water
how do potato slices feel if the cells are soaked in distilled water?
stiff
is distilled water hypotonic, isotonic, or hypertonc to the potato cells?
hypotonic
Have the potato cells lost or gained water?
gained
Are the potato cells turgid or plasmolyzed
turgid
is the 10% NaCl hypotonic, isotonic, or hypertonic to the potato cells
hypertonic
what molecule moves in or out of the potato cells? and by what process?
water,osmosis
How do potato slices feel if the cells have been soaked in 10% NaCl?
limp
what solution is hypotonic to blood cells? distilled water, 0.9 NaCl, or 10% NaCl?
distilled water
what solution is hypertonic to blood cells? distilled water, 0.9 NaCl, or 10% NaCl?
10% NaCl
what solution is isotonic to blood cells?
0.9 NaCl
Do blood cells gain or lose in a hypotonic solution?
gain
Are the cells crenated or hemolyzed?
hemolyzed
how does a test tube of blood appear when cells are in a hypotonic solution?
clear
what effect does an isotonic solution have on blood cells?
has normal appearence due to no net gain or loss of water
do blood cells gain or lose water in a hypertonic solution?
lose
what molecule moved in or out of cells? and by what process?
water crenation
are the cells crenated or hemolyzed?
crenated
how does a test tube of blood appear when cells are in a hypertonic solution?
cloudy