Cylinders of potato tissue were immersed in sucrose solutions differing in their solute potential 24 hours and the percentage change in length determined.The results are...

      

Cylinders of potato tissue were immersed in sucrose solutions differing in their solute potential 24 hours and the percentage change in length determined.The results are shown in the graph below.


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(a) With reference to water potential, explain the change in length that occurred when the cylinder potato was immersed in a sucrose solution of solute potential – 600 kPa.


(b) Using the information in the graph, determine the water potential of the potato tissue. Explain your reasoning.

  

Answers


Maurice
(a) The solution is hypertonic to the potato tissue cells; the cells thus lost water by osmosis, shrink and became flaccid leading to decrease in length of the tissue.


(b) 900kPa; there is no net change in the length at this concentration
maurice.mutuku answered the question on August 13, 2019 at 13:50


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