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22 terms

Cell Membrane Diffusion

STUDY
PLAY
pinocytosis
a specific term referring to the movement of small particles or liquids into the cell
active transport
transportation of materials that require the use of cell energy
facilitated diffusion
diffusion that moves substances passively through the membrane from high concentrations to low concentrations using CARRIER PROTEINS
phagocytosis
a specific term referring of the movement of large particles or solids into the cell
isotonic solutions
solutions that have equal concentrations of solutes inside and outside the cell
hypotonic solutions
solutions that have lower concentrations of solutes outside the cell
hypertonic solutions
solutions that have higher concentrations of solutes outside the cell
passive transport
transportation of materials that does NOT require the use of cell energy
concentration gradient
a term that refers to the difference between the high and low concentrations
endocytosis
a general term that refers to the bulk transport of large objects into the cell
lyse
the burst of animal cells
turgor
the water pressure that has been built up in the plant cells
exocytosis
the bulk movement of materials out of the cell
permeable
Cell membrane are selectively ______, which means that they allow only certain substances to pass through
pressure
diffusion rates may be affected by: concentration, temperature, and ______
contractile vacuoles
the special organelles that are pumped out excess water by some cells
carrier
special protein molecules that move some larger molecules through the membrane
cytolysis
the bursting of cells due to osmosis
osmosis
the diffusion of water through a selectively permeable membrane
brownian motion
the random motion of molecules
plasmolysis
the shrinking of cells due to osmosis
diffusion
the random motion of molecules that occurs from the region of high concentration to the region of lower concentration