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WH 7th science

science test 3

movement of particles from an area of high to low conc. diffusion
the diffusion of water threw a semi-permiable membrane osmosis
semi-permiable only certain things can pass threw it
particles can travel by passive transport / active transport
passive transport movement of particles across the cell membrane without use of energy
movement of particles with use of energy active transport
2 types of active transport exocytosis/endocytosis
process by which cell surrounds a large particle and encloses it to bring it in endocytosis
process when large particle leaves the cell exocytosis
state of balance equilibrium
3 types of solutions a cell can be placed in: hypertonic/hypotonic/isotonic
the solute conc. is greater on the outside of cell hypertonic
solute conc. is greater on the inside of the cell hypotonic
solute conc. is equal isotonic
Created by: Wilson Hall