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Osmosis. ... This would seem very logical since osmosis itself is the movement of water
from areas of higher concentration to areas of lower concentration. ...
how different concentrations of glucose effects osmosis in potato cells. ... Osmosis
is a vital mechanism in the transport of fluids in living organisms. ...
osmosis. ... Water has moved into the chips by osmosis but when a similar chip is put
into a beaker of sugar solution after a while the chip has lost weight. ...
Investigating the Osmosis Effect In Potato Cores. ... Osmosis will take place while
the potatoes are fully submerged in the sucrose solution. ...
pH and osmosis. The Effect of ... locations (Lang, 1997). Osmosis is able to
maintain osmotic pressure and regulate a cell’s volume. ...
Submitted by freemrtoad1 on November 24, 2005
Category: Biographies
Words: 420 | Pages: 2
Views: 272
Popularity Rank: 33,846
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Sc1 Investigation – Osmosis
Planning
Input variables of this investigation I could study are the concentration of sugar in the solution, amount of water in solution, size of potato, the temperature of the solution, type of potato and the mass of the potato.
The variable I have chosen to investigate is the amount of sugar in the solution and how this will affect the results.
What I think will happen is that the higher the sugar concentration the bigger the gain in the mass of the potato. I therefore, predict that the lower the concentration of sugar in the solution the more the potato will lose mass. So if there is a gain in mass there will have been a high sugar concentration in the solution.
I think this will happen because of a ….. called osmosis. Osmosis is defined as the movement of water particles from a high concentration of water to, a lower water concentration through a selectively permeable membrane or semi-permeable. Pure water has the largest amount of free water molecules. When sugar dissolves into water the sugar molecules combine with water molecules. This in turn effects the concentration of free water molecules in the solution, due to the water combining with the sugar molecules there will not as many free water molecules to move via osmosis. Therefore this means the more sugar molecules in a solution the higher the concentration, this means the more concentrated a solution is the fewer free water molecules. This shows that if the potato were placed into high concentration solution the free water molecules would move from the solution to the potato cell. So when a cell is placed in distilled water (high water concentration) water will move into the cell (lower water concentration) using osmosis making the cell swell. This cell is now referred to as turgid. However if a potato cell is placed in a low water concentration, the free water molecules in the potato cell will move out into the...
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