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SCAN0029 - K W" i3 2:5 x§i~,3i}n(13 fling C...

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Unformatted text preview: /\ K W)" i3 2 :5 x§i~,3i}n [(13% fling}; C sciatica"; , “Water WWW WWWWW..M The sugar molecules (the solute) will diffuse across the permeable membrane until the concentrations on both sides of the membrane are equal. When this occurs, sugar (solute) molecules will continue to diffuse across the membrane in both directions so that there will be no net change in concentration. Diffusion is the tendency to spread into available space. That is,a substance will diffuse from where it is more concentrated to where it is less concentrated. Diffusion across a membrane is called passive transport becaUSe it requires no external energy. mewwwwmmm W. E. i) : 21. Can diffusion occur without w”?”” a a membrane? . ,9: 22. Do allsolutions have the same solute concentration? .3 3C3 33 20. Can diffusion occur across a permeable membrane? 9&3 A solution that has a higher solute concentration than another solution is said to be hypertonic (hyperosmotic) when compared with the second solution. For example, sugar water is more concentrated than the concentration of solutes in blood cells. Sugar water is hypertonic to blood cells. This ...
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