Enzyme Activity - Biol 1009 General Biology Name Kaela...

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Biol 1009 General Biology Name: Kaela Marcus Biol 1009 Lab Exercise 2: Enzyme Activity and Digestion of Carbohydrates and Proteins Instructions: Respond to the following questions from lab exercise 2 using complete sentences (where appropriate). For more information about each question, see the lab manual. Part A. Carbohydrate Digestion Macerated coleoptiles, water, and Benedict’s solution 1. Is there a color change in the solution? Is this a positive or negative Benedict’s test? Yes the solution changed from a light blue/aqua color to a murky red/green color. This is a positive benedicts test. 2. Which substance was oxidized? Glucose was oxidized in this solution. 3. Which substance was reduced? The cupric ion was reduced in this solution. Dry, ungerminated corn seeds Benedict’s solution 4. Do ungerminated corn seeds store sugar or starch? Ungerminated corn seed store starch, the solution became greenish when it was tested using the benedicts test.
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