other three solutions tested‚ and a higher concentration of solute than that of the solution inside the egg‚ it was a hypertonic solution.
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of solute in a solvent. The higher the solute in solvent‚ then there will be a higher rate of osmosis through the diffusion gradient forming a hypertonic or hypotonic solution. Solvent with equal or no solute forms an isotonic solution. Materials: Distilled water‚ sucrose‚ dialysis tubing‚ string‚ 250 ml beaker. Procedure: To demonstrate and isotonic solution we needed 3 inches of dialysis tubing. We tied off one end of the dialysis tubing to create a bag‚ filled it with distilled water‚ and
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diffusion. Diffusion is when molecules move from an area of higher concentration to an area of higher concentration. The three types of concentrations are hypotonic‚ hypertonic‚ and isotonic. When in comparison to another solution‚ a hypertonic solution has a lower concentration‚ a hypertonic solution has a higher concentration‚ and an isotonic is when the two solutions have an equal concentration. The experiment tested the relationship between the concentration of an egg and solutions of different
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Diffusion and Osmosis Using “Deshelled” Chicken Eggs Introduction In order for a cell to survive and function‚ it must maintain an internal steady state of environment in the midst of an ever-changing external environment. This steadiness is provided by the regulation of the movement of materials across its plasma membrane. Since not all substances penetrate the membrane equally well‚ the membrane is said to be differentially permeable. (IS) Diffusion is the tendency of molecules
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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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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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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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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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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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