Investigating the concentration of the solutions inside the vacuole of a potato cell.

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Issue:

Science

 

Written by:

Raymond K

 

Date added:

March 5, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1490

 

Was viewed:

6122 times

 

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Essay content:

Temperature 2. Surface area of potato 3. Volume of sucrose solution 4. Same time for each potato chip submerged in solution 5. Potato chips all from same potato The effects on the dependent variables all differ; here is how the main variables in my experiment work out. Variable Effect on Dependent Variable Surface area of potato chip The greater the surface area the more water it will be able to absorb Same chip from the same potato The genetic make-up will be the same and therefore the partly permemble membrane will be similar Time left in the solution The longer spent in solution the more that is absorbed Coating on the potato chips If not rinsed off and dried after a certain period of time the chips will form a coat of sugar thus decreasing surface area Quantitative prediction I predict that the effect of changing the sucrose concentration will be that as the concentration of the sucrose solution increases, first of all the mass of the chip will increase, and then the change in mass will gradually decrease until mass is lost and this mass loss will gradually increase in amount...
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As the concentration of sucrose increases the concentration of water outside the call will eventually become less than inside the cells of the chip and mass will be lost. Dependent Variable Inside the cells Outside the cells Dilute solution Concentrated solution Higher water concentration Low water concentration Key: = Sucrose particle = water molecule = osmosis = partially permeable membrane In the higher sucrose concentration solution, the net movement of water (osmosis) is to the outside of the cell, and the chip will lose mass, the cells will become plasmolysed...
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