1. Where is the water in high concentration? (circle your choice) Inside of the cell or Outside of the cell 2. Where is the water in low concentration? (circle you choice) Inside of the cell or Outside of the cell 3. In what direction will osmosis (water diffusion) occur? (circle your choice) Into the cell or Out of the cell

1. Where is the water in high concentration? (circle your choice) Inside of the cell or Outside of the cell 2. Where is the water in low concentration? (circle you choice) Inside of the cell or Outside of the cell 3. In what direction will osmosis (water diffusion) occur? (circle your choice) Into the cell or Out of the cell

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter3: The Plasma Membrane And Membrane Potential

Section: Chapter Questions

Problem 6RE

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You have a beaker filled with a solution containing 2M glucose, 4M urea and 1M salt.Suspended in the solution is a cell that containing a solution of 1M glucose, 8M urea and 3Msalt. The membrane of the cell is permeable to glucose and salt but not urea. Answer each of thefollowing questions:a. Where will water move?b. Where will urea move?c. Where will glucose move?d. Where will salt move?e. What will happen to the volume of fluid inside the cell?f. What will happen to the osmolarity of the fluid inside the cell?
A cell with a total of 0.2 osmol/L is placed into a solution with a total of 0.3 osmol/L (switched from the previous question). It is assumed that the osmotic particles cannot pass through the cell membrane. Answer the following true or false questions. 1. Solvent is more concentrated in the cell 2. Water will osmose out of the cell 3. The cell will shrink and may look crenated 4. Plant cells have a cell wall to protect them from dehydration caused by osmosis
Osmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes? A. In a hypotonic solution, cells will swell. B. In an isotonic solution, cells will shrink. C. In a hypertonic solution, cells will stay the same. D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.
given the perfect osmometer (plasma membrane bounded by perfectly rigid walls) inside the cell, the solute potential is 0 and the pressure potential is 0, outside the cell the water potential is also 0 you add a dilute salt solution that changes the osmotic potential of the solution to 0.3MPa 1. what is the approximate value of the solute potential and pressure potential inside the cell after the system has come to equilibrium? 2. why does the movement of relatively few water molecules across the plasma membrane of the osmometer have such a large effect in the value of pressure potential?
Cells are placed in a beaker of water. The concentration of glucose outside of the cells is 3 mg/ml. The concentration of glucose inside of the cells is 33 mg/ml. Assuming glucose is the only solute, in which direction will osmosis occur? *
Choose the best answer When a cell is placed in a hypertonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water exits the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.
Each diagram shows a cell with a semipermeable membrane submerged in a solution. Solutions contain different amounts of solutes (glucose, sodium). The membrane is NOT permeable to glucose or sodium.
A cell with a total of 0.3 osmol/L is placed into a solution with a total of 0.2 osmol/L. It is assumed that the osmotic particles cannot pass through the cell membrane. Answer the following true or false questions. 1. Osmosis of water molecules will go into the cell 2. The cell will swell and possibly lyse 3. Plant cells are NOT protected against lysis by their cell walls
The process you observed of the egg becoming smaller or larger in the different solutions was due to osmosis. Which of the following is true about osmosis? Select one or more: a. Osmosis is a form of active transport, in which water moves from a solution of low solute concentration to a solution of higher solute concentration b. Osmosis is a form of passive transport, in which water moves only when the concentration of solutes is equal in each solution c. Osmosis is a form of passive transport, in which water moves from a solution of low solute concentration to a solution of higher solute concentration d. Osmosis is a form of active transport, in which water moves from a solution of high solute concentration to a solution of lower solute concentration e. Osmosis is a form of passive transport, in which water moves from a solution of high solute concentration to a solution of lower solute concentration
A phospholipid bilayer separates two chambers. The chambers both contain the same volume of water. The left chamber contains 150 mM of an unknown solute A. Solute B is dissolved in the right chamber also at a concentration of 150 mM. Therefore, the initial osmolarity is the same (isotonic) between the two chambers. However, after a short time, the volume increases substantially in the right chamber. What is the most likely ranking of permeability for the molecules to cause this change? (greater permeability means that the molecule moves first across the membrane)
Americans spend up to $100 billion annually for bottled water (41 billion gallons). The only beverages with higher sales are carbonated soft drinks. Recent news stories have highlighted the fact that most bottled water comes from municipal water supplies (the same source as your tap water), although it may undergo an extra purification step called reverse osmosis.Imagine two tanks that are separated by a membrane that's permeable to water, but not to the dissolved minerals present in the water. Tank A contains tap water and Tank B contains the purified water. Under normal conditions, the purified water would cross the membrane to dilute the more concentrated tap water solution. In the reverse osmosis process, pressure is applied to the tap water tank to force the water molecules across the membrane into the pure water tank.After the reverse osmosis system has been operating for 30 minutes, the solution in Tank A would (a) be hypotonic to Tank B (b) be isotonic to Tank B. (c) be…
Americans spend up to $100 billion annually for bottled water (41 billion gallons). The only beverages with higher sales are carbonated soft drinks. Recent news stories have highlighted the fact that most bottled water comes from municipal water supplies (the same source as your tap water), although it may undergo an extra purification step called reverse osmosis.Imagine two tanks that are separated by a membrane that's permeable to water, but not to the dissolved minerals present in the water. Tank A contains tap water and Tank B contains the purified water. Under normal conditions, the purified water would cross the membrane to dilute the more concentrated tap water solution. In the reverse osmosis process, pressure is applied to the tap water tank to force the water molecules across the membrane into the pure water tank.If you shut the system off and pressure was no longer applied to Tank A, you would expect (a) the water movement to follow the concentration gradient. (b) the water…