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12 Cards in this Set

  • Front
  • Back
proton pump
active transport in the plasma membrane that uses ATP to pump H+ out of the cell
contransport
the downhill passage of H= to the uphill passage of NO3-
water potential
the direction of the movement of water fromthe effects of solute concentration and physical pressure
aquaporins
transport proteins where water crosses the vacuolar and plams membranes
vacuolar membrane
(tonoplast)
the regulation of molecular traffic between the cytosol and the vacuolar contents
symplast
the cytoplasmic continuum
apoplast
the continuum of cell walls and the extrcellular spaces
bulk flow
the movement of water driven by pressure
mycorrhizae
symbiotic structures consisting of plant roots united with fungal hypae
caspian strip
a belt made of suberin, a waxy material impermeable to water and minerals
transpiration
the loss of water vapor from leaves and other aerial parts of the plant
root pressure
the upward push of xylem sap