Exercise 10 Analysis - See attached Table. 1. Increased...

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See attached Table. 1. Increased light level increases the rate of transpiration on bean leaves. Increasing the light level in plant increases transpiration, by increasing the rate at which photosynthesis occurs and thus requiring more water to move through the plant and releasing more carbon dioxide. 2. The solution that contains the Abscisic Acid is solution A, because there was a noticeable decrease in the transpiration rates compared to the plants treated with solution B. 3. See attached Table. 4. Abscisic Acid is able to inhibit the process of photosynthesis, thus decreasing the transpiration rate. This is because ABA binds to receptors on guard cells activating a signal transduction pathway lowering the solute concentration to where water goes out of the cell, thus lowering the tugor pressure and closing the stoma. 5. See attached sketches. 6. The Calculated value for the stoma was around 25,478 stoma/cm squared. The average value found for the stoma of bean leaf was around 28,000-stoma/ cm squared. These densities seem to be consistent by only differing in about 3000 stomas. 7.
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This note was uploaded on 05/06/2010 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.

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Exercise 10 Analysis - See attached Table. 1. Increased...

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