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A level Biology: Post your doubts here!

maq1996

maq1996

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Think about it this way. 3 and 5 are both plasmolised cells so they should be in the same concentration, right? Now there's a high concentration and a low concentration sucrose solution. In the high concentration solution there's less water potential so the water would leak out through osmosis from higher wp to lower wp so both 3 and 5 should be in the more concentrated sugar solution
 
♣♠ Magnanimous ♣♠

♣♠ Magnanimous ♣♠

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maq1996 said:
Think about it this way. 3 and 5 are both plasmolised cells so they should be in the same concentration, right? Now there's a high concentration and a low concentration sucrose solution. In the high concentration solution there's less water potential so the water would leak out through osmosis from higher wp to lower wp so both 3 and 5 should be in the more concentrated sugar solution
Click to expand...
ok...
 
maq1996

maq1996

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Look 3 is xylem so it's gonna have the highest water content. So it's less negative than all the other cells. That solves the problem
 
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