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What is the name of the pressure that must be exerted on a solution to prevent the passage of solvent molecules into a solution when the solution and solvent are separated by a semipermeable membrane?
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∙ 15y ago
Osmosis.
Wiki User
∙ 15y ago
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The pressure needed to stop osmosis is called?
The osmotic pressure. This is the pressure which would have to be applied to a solution to stop water entering if it was separated from pure water by a semipermeable membrane.
When the osmotic pressure is the same on both side's of a semipermeable membrane each solution is said to be?
Isotonic solution.
How does Oxygen cross cell membrane?
Oxygen and water molecules can penetrate the cell membrane due to small gaps that are created by the lipid molecules. Lipid molecules overlap each other which makes the gaps. The oxygen and water molecules then enter in the gaps. The cell membrane in this case is semi permeable.
What are the answers to Section 7-3 Cell Boundaries?
constantly moving particles spread out randomly, and as a result tend to move from an area where they are more concentrated to an area where they are less concentrated. 10) When the concentration of the solute is the same throughout the system. 11) Above the cell membrane - High concentration, Below the cell membrane - Low concentration 12) Some substances can pass through them and others cannot. Also known as semipermeable membrane. 13) Osmosis is the diffusion of water through a selectively permeable membrane. 14) False 15) Water will stop moving across a membrane then equilibrium is reached. 16) B 17) A 18) C 19) Exerts a pressure on the hypertonic side of the selectively permeable membrane 20) A few molecules seem to pass through the cell membrane much more quickly than they should. They diffuse across it easily. 21) Protein channels act as carriers, making it easy for certain molecules to cross. 22) True 23) Active transport 24) False 25) Endocytosis- The process of taking material into the cell by means of pockets of the cell membrane. The pocket that results breaks loose from the outer portion of the cell membrane and forms a vacuole within the cytoplasm. Phagocytosis- Extensions of cytoplasm surround a particle and package it within a food vacuole. The cell then engulfs it. Exocytosis- The membrane of the vacuole surrounding the material fuses with the cell membrane, forcing the contents out of the cell. 26) When it breaks loose from the membrane, it forms a vacuole within the cytoplasm.
A solutions osmotic pressure differs from its hydrostatic pressure in that osmotic pressure is the force which pulls water across a membrane resulting from?
osmotic pressure is not the pressure which pulls the water , it is the other way round. It is the pressure with which the water molecule travel across the semi-permeable membrane. Hydrostatic pressure as the name suggests is the pressure due to the "standing column of water and not due to the movement
The pressure needed to stop osmosis is called?
The osmotic pressure. This is the pressure which would have to be applied to a solution to stop water entering if it was separated from pure water by a semipermeable membrane.
What is the difference between waterpotential and diffusion pressure deficit?
Water potentialrefersto the power of to move from oneregionto another region where as DPD is thesuction ability of a cell or solution separated by semipermeable membrane.
When the osmotic pressure is the same on both side's of a semipermeable membrane each solution is said to be?
Isotonic solution.
What is the name of Pressure that must be exerted onto a solution in order to prevent water from diffusing into that solution through a semipermeable membrane?
osmotic pressure
What are the related literature of osmosis?
Some related literature on osmosis includes studies on cell physiology and membrane transport mechanisms, as well as research on osmotic pressure and its effects on biological systems. Additionally, there are articles exploring osmosis in various environments such as plants, animals, and microorganisms. Textbooks on biology and biophysics also cover osmosis as a fundamental biological process.
How would a fluid with a high solute concentration affect osmotic pressure when compared to water?
Fluid with a high solute concentration would be hyper-osmotic compared to water, and thus would be expected to exert osmotic pressure if separated from pure water with a semipermeable membrane.
What is the movement of molecules through a membrane due to the pressure of a liquid on that membrane?
Osmosis.
Osmotic pressure is created by the presence in a fluid of small difusible moleules that easily move through the capillary membrane?
Osmotic pressure is the force exerted by the movement of solvent molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. This movement equalizes the concentration on both sides of the membrane. The osmotic pressure is directly proportional to the concentration of solute particles in the fluid.
What causes osmotic pressure to develop in a cell?
Osmotic pressure occurs when two solutions of different concentrations are separated by a semi-permeable membrane. Often the solute cannot move through the membrane, so there is pressure for the water to move from the less concentrated side to the more concentrated side, to dilute it.
What is the osmotic pressure of pure water?
The osmotic pressure of pure water is 0. The osmotic pressure is relative to pure water, thus semipermeable membrane on both sides pure water does not have any movement of solvent.
Turgor is described as the formation of sclerotic tissue inside the lumen?
1) The state of being turgid; the rigid or fullness state of a cell due to high water content as a result of differing solute concentrations between a semipermeable membrane. (2) The pressure produced by a solution against the semipermeable membrane enclosing the cell due to osmotic pressure differences between the inside and outside of the cell.
What term refers to diffusion of water molecules through a selectively preamble membrane?
Osmosis is the diffusion of water molecules through a semi-permeable membrane to equalise osmotic pressure.
