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bio 9/3/10

QuestionAnswer
allows material inside the cell to remain seperate from its surroundings. Cell membrane
allows certain materials to move in and out of the cell. selectively permeable
two layers of phospholipids arranged tail to tail. phospholipid biolayer
the cell does not use any of its own energy passive transport
an example of passive transport diffusion
when theres a differenve in concentration in two areas concentration gradient.
when the concentration on both sides of the cell membrane are equal equilibrium
particles can pass staright through the membrane passive transport
moves molecules down a concemtration gradient. osmosis
solution on outside has the same concentration on the inside isotonic
the solution outside is less than in inside of membrane hypertonic
the solution outside is more than in the inside hypotonic
when molcules are water soluble cant pass the cell membrane active transport
help move proteins in and out of cell transport proteins
types of transporting protiens channel protein
types of transporting protiens gate proteins
cell takes in large particles endocytosis
cell sends out large particles exocytosis
Created by: sunnygerrish
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