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10. Fill up the table and draw the following: a. guard cell in distilled water b. guard cell in 0.5 saline solution c. guard cell in 0.9 saline solution d. guard cell in 1.5 saline solution

10. Fill up the table and draw the following: a. guard cell in distilled water b. guard cell in 0.5 saline solution c. guard cell in 0.9 saline solution d. guard cell in 1.5 saline solution

Essentials of Pharmacology for Health Professions
Essentials of Pharmacology for Health Professions
7th Edition
ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
Chapter12: Skin Medications
Section: Chapter Questions
Problem 2CRQ
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B. Osmosis For this part of activity, please refer to the procedures listed below. 1. Strip off a thin layer of the outer epidermis of the undersurface of the leaf of Rhoeo discolor. 2. Place a drop of distilled water on a microscope slide. 3. Add a cover slip and examine under the LPO, then HPO. 4. Focus on the stomata and observe the condition of the guard cells. 5. Apply a small piece of blotting or tissue paper on the edge of the cover slip to remove the water. 6. Place a drop of 0.5 saline solution on the slide, close to but not on the cover slip. 7. Draw the solution out under the cover slip by applying again a small piece of tissue paper to the opposite edge. 8. Examine under the HPO and observe the changes in the guard cells. 9. Repeat procedure numbers 6 to 8, but this time, use the 0.9 saline solution, after which 1.5 saline solution follows. 10. Fill up the table and draw the following: a. guard cell in distilled water b. guard cell in 0.5 saline solution c. guard cell in 0.9 saline solution d. guard cell in 1.5 saline solution
Transcribed Image Text:B. Osmosis For this part of activity, please refer to the procedures listed below. 1. Strip off a thin layer of the outer epidermis of the undersurface of the leaf of Rhoeo discolor. 2. Place a drop of distilled water on a microscope slide. 3. Add a cover slip and examine under the LPO, then HPO. 4. Focus on the stomata and observe the condition of the guard cells. 5. Apply a small piece of blotting or tissue paper on the edge of the cover slip to remove the water. 6. Place a drop of 0.5 saline solution on the slide, close to but not on the cover slip. 7. Draw the solution out under the cover slip by applying again a small piece of tissue paper to the opposite edge. 8. Examine under the HPO and observe the changes in the guard cells. 9. Repeat procedure numbers 6 to 8, but this time, use the 0.9 saline solution, after which 1.5 saline solution follows. 10. Fill up the table and draw the following: a. guard cell in distilled water b. guard cell in 0.5 saline solution c. guard cell in 0.9 saline solution d. guard cell in 1.5 saline solution
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