does osmosis occur if a cell is placed in an isotonic?
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Effects of osmosis in plant cells When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. ... When a plant cell is placed in an isotonic solution, a phenomenon called 'incipient plasmolysis' is said to occur.
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A hypertonic solution is a solution that contains more solute than the cell which is placed in it. If a cell with a NaCl concentration of 0.9% is placed in a solution of water with a 10% concentration of NaCl, the solution is said to be hypertonic.
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Hypertonic solutions have less water ( and more solute such as salt or sugar ) than a cell. Seawater is hypertonic. If you place an animal or a plant cell in a hypertonic solution, the cell shrinks, because it loses water ( water moves from a higher concentration inside the cell to a lower concentration outside ).
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Osmoregulation and osmotic balance are important bodily functions, resulting in water and salt balance. ... Osmosis is the movement of water across the membrane. Osmosis occurs to equalize the number of solute molecules across a semi-permeable membrane by the movement of water to the side of higher solute concentration.
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"In osmosis, water moves from areas of low concentration of solute to areas of high concentration of solute." ... So osmosis only occurs with a semipermeable membrane, and even with the membrane some water will move both sides.
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Osmosis can only function in a liquid medium, but diffusion can occur in all three mediums (solid, liquid and gas). Furthermore, osmosis requires a semi-permeable membrane while diffusion does not. The intake of water in plants is an example of osmosis.
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The bottom line: isosmotic solutions are not always isotonic. Hyperosmotic solutions are not always hypertonic. But hyposmotic solutions are always hypotonic. ... On the other hand, plant cells do have sucrose transporters, so an isosmotic sucrose solution will be hypotonic to the plant cell.
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How Osmosis Affects Cells. Osmosis affects plant and animal cells differently because plant and animal cells can tolerate different concentrations of water. In a hypotonic solution, an animal cell will fill with too much water and lyse, or burst open.
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The only difference between an isotonic solution and an equilibrium is that an isotonic solution means that all the contents in the solution are balanced equally but there are movements while in an equilibrium, all the contents in the solution are also balanced equally but no movements are made.
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Osmosis is the movement of water molecules through the cell. Diffusion is the movement of molecules, such as oxygen, in and out of a cell. The process by which water molecules are able to diffuse through the cell membrane. The movement of small molecules from a higher concentration to an area of lower concentration.
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An example of osmosis is when red blood cells, which have a high concentration of protein and salt, are placed in a lower concentration fluid like water, the water will rush into the red blood cells.
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It is important for IV to be isotonic to your blood so it doesn't change the concentration of different molecules in the bloodstream. the cell wall will start to shrink, due to loss of the fluid. High osmotic pressure with allow fluids to pull fluids out of the cell.
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Answer and Explanation: In diffusion and osmosis, a gradient across a cell membrane is created when molecules move from a higher concentration to a lower concentration.
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Cell membranes are semipermeable, which means molecules can move through them. This is pretty important for cells to survive. Osmosis is where solvent molecules (usually water) move from one side of a cell membrane to the other. This happens because the concentration of a solute is higher on one side.
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Osmosis: In osmosis, water always moves from an area of higher water concentration to one of lower concentration. In the diagram shown, the solute cannot pass through the selectively permeable membrane, but the water can.
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When thinking about osmosis, we are always comparing solute concentrations between two solutions, and some standard terminology is commonly used to describe these differences: Isotonic: The solutions being compared have equal concentration of solutes. Hypertonic: The solution with the higher concentration of solutes.
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Osmosis affects plant and animal cells differently because plant and animal cells can tolerate different concentrations of water. ... However, plant cells need more water than animal cells, and will not burst in a hypotonic solution due to their thick cell walls; hypotonic solutions are ideal for plant cells.