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transport process (molecular pumps (use ATP, forces molecules across the…
transport process
molecular pumps
use ATP
forces molecules across the membrane
this is active transport
diffusion
random movement of particles in solution
high concentration to low concentration
diffusion through membrane is osmosis
membranes
freely permeable
allows all substances through
completely permeable
nothing allowed though
selectively permeable
only allow certain substances through
water potential
chemical potential
free energy of water
aquaporins
protein channel
intracellular transport
vesicles migrate through cytoplasm and fuse with other organelles
pressure potential
effect pressure has on water
osmotic potential
effects solutes have on water
matric potential
waters adhesion to nondissolved structures
incipient plasmolysis
protoplast lost enough water to pull away from the wall
