6. Imagine the experiment below where you placed a dialysis tube (cell) containing 10% NaCl Solution A Dialysis Tube Solution B (solution B) into a beaker of distilled water (solution A). Using what you know about diffusion/osmosis, indicate if the water is going to move into or out of the dialysis 'cell’.

6. Imagine the experiment below where you placed a dialysis tube (cell) containing 10% NaCl Solution A Dialysis Tube Solution B (solution B) into a beaker of distilled water (solution A). Using what you know about diffusion/osmosis, indicate if the water is going to move into or out of the dialysis 'cell’.

Name: 6. Imagine theexperiment belowwhere you placeda dialysis tube(cell) c
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Description: 6. Imagine theexperiment belowwhere you placeda dialysis tube(cell) containingSolution ADialysis TubeSolution B10% NaCl(solution B) intoa beaker of distilled water (solution A). Using what youknow about diffusion/osmosis, indicate if the water isgoi

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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7. Use your knowledge of osmosis to explain your experimental results. Hint: The tubing is made of a selectively permeable membrane, so you know osmo- sis must have happened, but you should explain the situation in terms of molecules moving into and out of the tube. 8. A salt solution that contains 20% salt contains 80 % water. 9. If you were told that a type of cell contained about 2% salt, what would happen if you put the cells into a solution of 18% saline? It would swell because 18076 of Saline is cn hypotonic solution and cell hes salt concentration and low water but in saline low salt and high water is present so th water will enter the cell by osmosis and swells up the cell.
secondary active transport depends on which of the following principals a. sodium is pumped pout of the cells against a concentration gradient by [primary active transport b. sodium moves out the cells with a concentration gradient c. primary active transport is necessary to pump sodium into the cell from higher to lower concentration d. diffusion causes sodium to move our of the cell
Which of the following best describes an Isotonic solution? A. The cellular plasma membrane will expand when the cell is place into an isotonic solution. B. The cellular plasma membrance will shrink when the cell is placed into an isotonic solution. C. Solute concentrations in the solutions are equal acorss the cellular plasma membrane. D. Solvent concentrations cause unequal solution concentrations across the plasma membrane.
1) Draw a model of the plasma membrane to form a cell. Include a tube embedded in the membrane. Show 2 water molecules inside the cell and 12 water molecules outside the cell. Indicate which way the water will move through the aquaporin with an arrow. a) Using your knowledge of membrane transport, which direction will the water molecules move through the aquaporin? Why? b) Why would water have a difficult time crossing the cell membrane? Keep in mind the structure of water in your answer. 2) Develop an explanation for the necessity of having kinks in the hydrophobic tail of the phospholipids that make up cell membranes. a) Develop an explanation for the necessity of having kinks in the hydrophobic tail of the phospholipids that make up cell membranes.
4. A cell with a selectively permeable membrane is in a solution. Urea can diffuse through the membrane (by passive diffusion in either direction) but ions such as Na*, Cl¯ and K* cannot. Which of the following is correct? Urea Urea K Urea K Inside of cell Naci Urea K K Naci Naci K+ Urea K+ Urea Urea Urea Solution Urea Naci Urea K+ K+ Selectively permeable Urea NaCl Urea NaCl K Urea NaCl K non-penetrating Naci non-penetrating Urea penetrating membrane A. The solution is hypoosmotic and hypotonic relative to the cell, and the net movement of water is towards the cell B. The solution is hyperosmotic and hypotonic relative to the cell, and the net movement of water is towards the cell C. The solution is isoosmotic and isotonic relative to the cell, and the net movement of water is null D. The solution is hypoosmotic and hypertonic relative to the cell, and the net movement of water is towards the solution E. The solution is isoosmotic and hypertonic relative to the cell, and the net…
Regarding ISOTONIC solutions, which of the following are TRUE? SELECT ALL THAT APPLY A. Water movement between the ICF and EFC is equal B. Solvent concentration inside the cell and outside the cell are equal. C. Solute concentration inside the cell and outside the cell are equal. D. Solute concentraion inside the cell is equal to solvent concentration outside the cell.
1. Presented below is an image of a semipermeable sac, containing 4% NaCl, 9% glucose, and 10% albumin, suspended in a solution with the following composition: 10% NaCl, 10% glucose, and 40% albumin. Assume the sac is permeable to all substances except albumin. Using the key choices, insert the letter indicating the correct event in the answer blanks. Key Choices: A. Moves into the sac B. Moves out of the Solution contains: sac C. Does not move 10% Naci 10% Glucose _1. Glucose 40% Albumin _2. Water 3. Albumin _4. Sodium Chloride -Sac contains: 4% Naci 9% Glucose 10% Albumin
Describe the similarities and differences between the dialysis bag and a cell membrane. Be specific. If you want water to flow out of a dialysis bag filled with a 50 percent sucrose solution what would be the minimum concentration of the beaker solution need to be?
18.. Use the following diagram to answer the questions. Assume the membrane is semipermeable to glucose, water, and iodine (IKI). A. Which solutes will diffuse into the cell? B. Which solute will diffuse out of the cell? 10% glucose 40% glucose C. Which solute will not diffuse at all? 20% starch 0% starch D. What type of solution (the outside of the cell - hypertonic, isotonic or hypotonic) does the diagram represent? 70% water 50% water 10% IKI E. What color will the cell be at the conclusion of this experiment? What color will the solution in the beaker be? Justify your answer,
Piston C Piston D Solution A Solution B Semipermeable membrane Above is a crude cartoon of a diffusion system. Two containers with solutions of sucrose in water are connected by a semipermeable membrane that is only permeable to water. Each container has a piston above it. Using this information answer the following. If the concentration of sucrose in solution A is 150mM and in solution B it's 2mM, which of the following would occur? al Piston D will feel an upward pressure. No diffusion will occur. Sucrose will diffuse from solution A to soluion B. Piston C will feel an upward pressure.
If you had a dialysis tube that contained 1.3M sucrose solution and youput it into a beaker containing 0.4M sucrose solution. Which direction Would the water move??
Which of the following is a way for electrolytes in an aqueous solution to move from an area of high solute concentration to an area of low concentration? O a. Active transport O b. Osmosis O c. Simple diffusion Od. Facilitated diffusion O e. None of these