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LAB ONE Diffusion and Osmosis

LAB ONE Diffusion and Osmosis. LAB ONE Diffusion and Osmosis. diffusion & osmosis selectively permeable membranes water potential molarity. Background Concepts:. LAB ONE Diffusion and Osmosis. After doing this lab, you should be able to:. LAB ONE Diffusion and Osmosis.

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LAB ONE Diffusion and Osmosis

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  1. LAB ONE Diffusion and Osmosis

  2. LAB ONE Diffusion and Osmosis • diffusion & osmosis • selectively permeable membranes • water potential • molarity Background Concepts:

  3. LAB ONE Diffusion and Osmosis After doing this lab, you should be able to:

  4. LAB ONE Diffusion and Osmosis • Measure the water potential of a solution in a controlled experiment. After doing this lab, you should be able to:

  5. LAB ONE Diffusion and Osmosis • Determine the osmotic concentration of living tissue or an unknown solution from experimental data. After doing this lab, you should be able to:

  6. LAB ONE Diffusion and Osmosis • Describe the effects of water gain or loss in animal and plant cells. After doing this lab, you should be able to:

  7. LAB ONE Diffusion and Osmosis • Relate osmotic potential to solute concentration and water potential. After doing this lab, you should be able to:

  8. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion .

  9. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion dialysis tubing beaker

  10. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion 15% glucose 1% starch dialysis tubing beaker

  11. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion 15% glucose 1% starch distilled water dialysis tubing beaker

  12. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion 15% glucose 1% starch distilled water dialysis tubing Iodine (Lugol’s) beaker

  13. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion

  14. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion 30 min.

  15. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion 30 min.

  16. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion Glucose test

  17. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion Glucose test positive

  18. LAB ONE Diffusion and Osmosis EXERCISE 1A: Diffusion Glucose test positive positive

  19. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis dialysis bags

  20. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 0.6 M distilled 0.2 M 0.4 M 0.8 M 1.0 M sucrose solutions of various molarities

  21. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 26.0 g 26.2 g 26.1 g 26.4 g 26.3 g 26.4 g 0.6 M distilled 0.2 M 0.4 M 0.8 M 1.0 M

  22. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 26.0 g 26.2 g 26.1 g 26.4 g 26.3 g 26.4 g distilled water

  23. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 26.0 g 26.2 g 26.1 g 26.4 g 26.3 g 26.4 g 30 min.

  24. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 26.0 g 26.2 g 26.1 g 26.4 g 26.3 g 26.4 g 0.6 M distilled 0.2 M 0.4 M 0.8 M 1.0 M gently blot dry

  25. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 26.0 g 26.2 g 26.1 g 26.4 g 26.3 g 26.4 g 26.3 g 27.0 g 28.1 g 29.3 g 30.2 g 31.2 g 0.6 M distilled 0.2 M 0.4 M 0.8 M 1.0 M

  26. LAB ONE Diffusion and Osmosis EXERCISE 1C: Water Potential

  27. LAB ONE Diffusion and Osmosis EXERCISE 1C: Water Potential potato

  28. LAB ONE Diffusion and Osmosis EXERCISE 1C: Water Potential

  29. LAB ONE Diffusion and Osmosis EXERCISE 1C: Water Potential potato cubes

  30. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis 0.8 M 0.4 M distilled 1.0 M 0.6 M 0.2 M sucrose solutions of various molarities

  31. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis

  32. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis overnight

  33. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis overnight

  34. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis overnight overnight

  35. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis overnight overnight

  36. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis overnight overnight

  37. LAB ONE Diffusion and Osmosis EXERCISE 1B: Osmosis

  38. LAB ONE Diffusion and Osmosis EXERCISE 1E: Plasmolysis MATERIALS • An onion • A microscope • 15 % NaCl solution (a few drops) • Distilled water.

  39. LAB ONE Diffusion and Osmosis EXERCISE 1E: Plasmolysis PROCEDURE • Observe onion cells @ 100x • Flood with NaCl and observe • Flood with distilled H2O and observe.

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