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Cell Transport
passive and active transport
15
Anatomy
12th Grade
09/27/2011
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Term
types of transport
 Definition
active and passive
Term
active transport
 Definition
low to high; requires ATP
Term
ion pumps
 Definition
protein complex in cell membranes
Term
no pump means...
 Definition
no transport
Term
types of active transport (4)
 Definition
phagocytosis, pinocytosis, exocytosis, endocytosis
Term
phagocytosis
 Definition
cell eating (substances/objects)
Term
pinocytosis
 Definition
cell drinking (fluids)
Term
exo and endo cytosis
 Definition
bulk transport
Term
passive transport
 Definition
no energy require; high to low
Term
diffusion
 Definition
substances scatter themselves evenly thoughout the available space
Term
types of diffusion (2)
 Definition
osmosis and dialysis
Term
osmosis
 Definition
diffusion of water
Term
dialysis
 Definition
diffusion of solutes
Term
filtration
 Definition
movement of water and solutes through a membrane due to hydrostatic pressure
Term
hydrostatic pressure
 Definition
a great pushing force on one side of the membrane than on the other side
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