Uncommon Schools Chang Hatary Name: Date: U213 -8 Science: Cell Transport: Diffusion & Osmosis Team: 7. What is the difference between osmosis and diffusion? 8. For each of the situations below, indicate the water concentrations both inside and outside the cell. 1% sugar 19% sugar 3% sugar 5% sugar 1% sugar 1% sugar 9. In each of the situations above, indicate the direction of water movement 10. Explain why you drew the arrows in that direction. 11. Where would water move? 5% NaCl 5% NaCl 95% HzO 95% H2O 10

Uncommon Schools Chang Hatary Name: Date: U213 -8 Science: Cell Transport: Diffusion & Osmosis Team: 7. What is the difference between osmosis and diffusion? 8. For each of the situations below, indicate the water concentrations both inside and outside the cell. 1% sugar 19% sugar 3% sugar 5% sugar 1% sugar 1% sugar 9. In each of the situations above, indicate the direction of water movement 10. Explain why you drew the arrows in that direction. 11. Where would water move? 5% NaCl 5% NaCl 95% HzO 95% H2O 10

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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1. Explain what effect an increase in the thickness of the plasma membrane would have on the rate of net diffusion across a membrane.
Statement 1: The direction of diffusion of a solute across a membrane is determined by its concentration gradient and always moves toward equilibrium. Statement 2: In passive transport, solutes move down the gradient from a region of low concentration to a region of high concentration. A Both statements are true. Both statements are false. C) Statement 1 is true. Statement 2 is false. Statement 1 is false. Statement 2 is true.
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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.
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ntity_Sound+of+Waves (1) x S Forrar (wrap) y decorar tu libre S Schoold A districtims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz Assume that the picture below shows environments on two sides of a selectively permeable membrane. Assume the light blue circles are wa molecules. Assume the red circles are glucose molecules. Which side has the higher concentration? water molecules will flow to the left water molecules will flow to the right water molecules will flow both ways, but mostly will flow to the right water molecules will flow both ways, but mostly will flow to the left water will flow to the left and glucose will flow to the right water will flow to the right and glucose will flow to the left Which best describes the way that the particles move?
5
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