Follow 3 Original post by diamonddust My hypothesis: Follow 0 followers 1 badge Send a private message to emilY? Follow 4 A solution with a high concentration of sucrose or whatever you're doing means that the surrounding solution has a low water potential, or one which is more negative.
Through osmosis, water molecules move in order to make the water potential and concentration of the surrounding solution and the vegetable equal. The reverse occurs when the concentration of the surrounding solution is very low lower than the vegetable. Possibly go on to think about what shape a graph would take and what happens at really high and low surrounding solution concentrations.
Last edited by emilY? Follow 5 Original post by - skyhigh - As the concentration of the solution increases, water molecules move out of the vegetable. This causes the mass of the vegetable to decrease not increase. Follow 6 Original post by diamonddust I wrote that originally but I wasn't sure if I was right.
So all of my potato strips gained mass, does that mean I should change my hypothesis to: Follow 7 Follow 8 Then the vegetable would probably gain mass at the beginning, having a higher concentration than the surrounding solution, meaning water would move into the cells, making them more turgid.
But then there should be an equilibrium point where there is no mass change it might lie in between values you measured though and you'd need to find it from your graph.
And after that the vegetable would lose mass as water moves out of the cells into the surrounding high concentration solution. The cells become more flaccid. Depending on how high you increased the conc of the solution to, think about whether its possible for a cell to carry on getting more and more flaccid for higher and higher concentrations?
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Students will certainly have to know far more about scientific theory then they previously did. Most biology coursework osmosis is harder than it used to be. Individual biology osmosis coursework assignments would probably revolve around the passage of a certain type of fluid through a semi-permeable membrane. The molecules would move between less concentrated solution through a solution that was more concentrated.
Osmotic pressure is another topic featured heavily in gcse osmosis coursework papers. This sort of material makes biology coursework osmosis so complex.
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Need Writing Help? Get feedback on grammar, clarity, concision and logic instantly. GCSE Biology Osmosis Coursework] Free Essays words ( pages) Essay on Investigate the Osmosis of Potato Cells in Various Salt Solutions.
BIOLOGY COURSEWORK: How the Concentration of Sucrose affects Osmosis in plant cells. RESEARCH Definition of Osmosis: Osmosis is the movement of water molecules from an area of high water concentration (weak solution) to an area of low water concentration (strong solution) through a partially permeable membrane.
Osmosis coursework is a common assignment for the students of biology. Students have to investigate a certain phenomenon regarding osmosis in their GCSE biology osmosis coursework. Mar 05, · The first one is the practical aspect of the work while the next is the written aspect, and we can offer biology coursework help in both angles. Some of the prevalent course works in the biology discipline are the osmosis coursework, Photosynthesis Coursework, Osmosis GCSE Coursework, A2 Biology Coursework, AS Biology Coursework, A Level /5(71).
Jun 09, · We are a company that offers biology coursework help and lab Osmosis A Level Notes Osmosis can therefore be defined as the diffusion of water from a region of high Water Potential to a region of low Water Potential through a Partially Biology Osmosis. Biology osmosis coursework should never have to stand in the way of one’s life. Hire us today and have your Coursework be written by the experts! Type of work.