myDiffusion is the passive movement of smaller fastermolecules with the concentration I temp P Kmt fasterA conc gradient fasterT pressure fasterOasis water diffusion I diffusiondistance fasteriiiPassive high lowlighter fasterlow solvent high solutehighsolvent low soluteconstantly movingthroughchannel proteinsaqiporin until no net movementtonicitynow the Ecf can change the volume of a cell by affecting osmosishypertonic ECF has Tsolutedsolvent waterleavescellhypotonic ECF has d solute f solvent water into cellOsmolarity low osmolarity Lsolute fsolventYsolvent concentration in a solution high osmolarity I solutedsolventOsmoregulatoryregulates and able to control internal solute composition and maintain waterbalanceOsmotic pressurepressure that must be applied to a total Jsolutesolution to prevent osmosisRT Water potential is the combination of all three termshowlikely water will move from outsideinsidewater moves from PY odYmore negative Y the more likely water will diffuse intothat areapure water Oaddingsolute Y Yp Us4 6.0bars4 3.0 barssolute 4 Yalwaysnegativei CRT c Ct 273K Yp 0 if openconc of solutee.g C 0.2M T 295K 1 1Ys I CRTi o any0.08314bar Y Yp 4my K 76295N 4 O 5mmye4.9 4bar Y 5I