move in one direction or the other‚ and this is determined by the solute or solvents concentration levels. If the two solutions are of equal concentrations‚ they will be isotonic. If the concentrations are unequal‚ the solution with the higher concentration is hypertonic‚ and the solution with the lower concentration is hypotonic. What is the solute concentration of potatoes? We can determine this by conducting an experiment in which involves the process of osmosis. Potatoes are full of sucrose used
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ability of a solution to gain or lose water due to osmosis‚ results in an environment that is isotonic‚ hypertonic‚ or hypotonic. A hypotonic solution has a lower solute concentration than the cell so water moves into the cell causing the cell to swell. A hypertonic solution has a higher solute concentration than the cell so water moves out of the cell and into the solution causing the cell to shrink. In an isotonic solution‚ concentration of solutes is equal inside and outside the cell so water moves across
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Title: Potato Osmosis Abstract: In this experiment was designed to study the effect of a concentrated solution applied to white and sweet potatoes. The solution’s impact among the potatoes were to be either hypertonic‚ hypotonic‚ or isotonic. The potatoes were first cut into fries with a fry cutter‚ and then weighed after being cut. The white and sweet potatoes’ weights ranged from .005-.015 grams. A total of 18 sugar solutions are to be made over the course of 3 trials. In each trial‚ 6 different
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between the solutes‚ the higher the osmotic pressure. Osmotic pressure can be classified into three tonicities‚ which are Hypotonic‚ Isotonic and Hypertonic. Hypotonic is a situation when the concentration of water in cells are more than water outside the cell‚ causing water to flow into the cell until it ruptures and plasmolyse in animal cell and plant cell respectively. Isotonic is a situation where the concentration of water of cells is equal to the concentration of the water in the surrounding
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No Brain Too Small BIOLOGY Transport normal flaccid isotonic turgid flaccid turgid does not explode normal flaccid plasmolysed Cell gains water and become turgid (stiff and hard)‚ does not explode because of the rigid cell wall. Cells lose water and become flaccid (floppy). If it keeps loosing water‚ water leaves the vacuole and membrane pulls away from wall. Becomes plasmolysed. Excytosis adds to the cell membrane while endocytosis removes part
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data (attached) gathered from this lab‚ the approximate concentration at which the solution and potato cytoplasm is isotonic is 0.4 mol/L. I can therefore conclude that the approximate solute concentration of potato cytoplasm is also 0.4 mol/L. This is because the concentration of potato cytoplasm never changed throughout the experiment‚ but the sucrose solution did. Seeing as isotonic means both concentrations are equal‚ I can conclude that the potato cytoplasm was always around 0.4 mol/L. 3.
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ionic content of the cell. A cell which is isotonic has an ionic concentration identical inside the membrane and out. Since the cell is at equilibrium‚ there is no concentration gradient and the flow of water in is equal to the flow of water out. A cell which is hypertonic has a higher concentration inside the cell than out. This causes a concentration gradient across the membrane which results in a net flow of water into the cell. A cell which is hypotonic has a lower concentration and therefore water
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concentration. Both refer to movement in/out of a cell‚ but osmosis refers specifically to water. 2. Isotonic‚ hypertonic‚ and hypotonic all refer to the comparison of concentrations of solutes in verses out of the cell. Isotonic is when the concentration in the cell is the same as the concentration outside of the cell. Hypertonic is when the concentration outside of the cell is greater than inside. And hypotonic is the opposite; the concentration outside of the cell is less than inside of the cell.
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Part A: Diffusion on a liquid in a liquid. I did an experiment with three different glasses of tap water from the faucet. All three cups measured the same which happened to be 13 cm from the top of the cup to the bottom of the cup. I let the water settle‚ and sit for about an hour so the temperature was the same for all three cups. I then placed one drop of food coloring into the first glass and waited for the coloring to reach the bottom. I calculated 93 seconds. I then went to the second glass
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little on osmosis. Osmosis takes place when two solutions of different concentrations are separated by a semi-permeable membrane in which the solvent can pass through but not the solute. In our experiment‚ we used a sucrose solution that will be a hypotonic concentration of solute. This tells us that the solution has a lower concentration of water than does the cells. Therefore‚ due to osmosis‚ the cells will gain water weight also proven in the experiment given. If osmosis isn’t taking place usually
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