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(A) Pure water (8) solution conteining o 1 M sucrose 0.1 M sucrose solution Pure water "n=o MPa p- MP 0.244mPa O MPa a o MPa (C) Flaccid cell dropped into sucrose solution (D) Concentration of sucrose increased :2 cid coil Turgid cell Pp-0 488 MPa MPa -°232AM 0.3As Cell after equilbrium cell after equilibrium solution vw=-0.732MP Wn.O MPa w=-0.244MPa s=-0.732MP 0.732MP s=-0.732MPe vp=w-"=0.488MPa F'p-yw-s-0 MPa w=-0.732MPa (E) Pressure applied to cell Applied pressure squeezes v from -0.732 to-1464 Mpbling 0. 1 M sucrose solution Coll in nitial state Cell in final state 0.732MPa =-144MF v口="w-"=0.a8aMPa ="w-"=1.22MP FIGURE 3.9 Five examples illustrating the concept of water potential and its soell ponents.(A) Pure water.(B)A solution containing o I M Sucrose,(o)A flaccid c (in air) is clreppeet in the o1 M sucrose solution Because the starting water poten of the soluition, and the result is a cell with a positive turgor The ineihg the coneentration of sucrose in the solution maker the cell lose water all wall (i.e. the ofi mure. In this case and the cell wall. (B Another way to make the cell lose water is te press it slow ly F between two plates. In this case, half of the cell water is removedl, sea cell osmotic Igure 1-2-3 potential Incenses by a lctor ot 2.Figure 1-2-3
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