Answered: Describe what happens when a dialysis…

Describe what happens when a dialysis bag containing pure water is suspended in a beaker of seawater. What would happen if the dialysis membrane were permeable to water but not solutes?

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter4: Energy And Metabolism

Section: Chapter Questions

Problem 12SQ

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Describe what happens when a dialysis bag containing pure water is suspended in a beaker of seawater. What would happen if the dialysis membrane were permeable to water but not solutes?

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Can water pass freely through the membrane of a dialysis tube? Explain. (Biochem)
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You have dialysis tubing that is permeable to water but not sucrose that contain 10 mL of varying concentrations of sucrose solutions that are placed in a beaker with 100 mL of water. In which beaker/bag combination will osmosis happen the fastest? 10% sucrose solution in the dialysis tubing 20% sucrose solution in the dialysis tubing 30% sucrose solution in the dialysis tubing 40% sucrose solution in the dialysis tubing
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You set up an experiment where you place a sealed (clamped) dialysis tube cell in a beaker of water. The solution in the dialysis tube cell is 25%NaCl solution and the solution in the beaker is 1%NaCl solution. The solvent for both is water. Before you place the tube in the cell, after it has been filled and clamped, you find the mass of the ‘cell’ after carefully drying off any water on the outside or on the clamps. You also find the mass of the cell after it has been placed in the beaker solution for 30 minutes after carefully drying off the outside of the ‘cell’ and clamps. The masses are in the table below. Mass in grams of dialysis tube cell Initial Mass 25.0g Final Mass after 30 minutes 28.7g Using this information, explain the difference in mass before and after submerging the cell in the beaker solution for 30 minutes.
If a dialysis bag containing 1% sucrose is placed in a beaker containing 25% sucrose, what would you expect to happen? (hint: only water can move in and out os the bag through osmosis, sucrose is too large; this is a hypertonic environment) A) there will be a loss in weight of the bag due to water leaving the bag B) there will be a gain in weight of the bag due to water moving into the bag C) the weight of the bag will remain the same, with water moving in both directions equally D) sucrose will break down and will move into the bag, increasing the weight of the bag
If the dialysis tubing and the beaker solution are both 25% sucrose/iodine it would be isotonic right?