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definition quiz molecules and the cell
molecules definition quiz
21
Science
10th Grade
10/28/2012
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Term
Active transport
 Definition
moves material through the cell membrane
Term
Concentration Gradient
 Definition
holds and measures the mass of a solute
Term
Contractile vacuole
 Definition
Collects water and discharge
Term
Cytolisis
 Definition
A solution turning into solutes
Term
Diffusion
 Definition
molecules moving to be less concentrated
Term
Cell membrane
 Definition
outer protective layer of a cell
Term
hydrophylic
 Definition
mix with water
Term
hydrophobic
 Definition
not mix with water
Term
endocytosis
 Definition
cell taking in lots of material
Term
exocytosis
 Definition
cell releasing lots of material
Term
hypertonic
 Definition
solute with a higher concentration
Term
hypotonic
 Definition
solute with a lower concentration
Term
isotonic
 Definition
same concentration
Term
osmosis
 Definition
diffusion of water
Term
passive transport
 Definition
transport of material through diffusion
Term
phagocytosis
 Definition
cell takes in particles
Term
plasmolysis
 Definition
loss of water from a cell
Term
solute
 Definition
whats used to mix
Term
solvent
 Definition
dissolved solute
Term
phospholipid bilayer
 Definition
layer of a cell made of lipids
Term
selectively permeable
 Definition
a cell letting or not letting materials through it
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