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Human Physiology Laboratory (BIOL 3120 ) Physioex 8 Activity 1

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Sandra Watson
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Name: Steffany Rivera
Exercise 8: Chemical and Physical Processes of Digestion: Activity 1: Assessing Starch Digestion by Salivary Amylase Lab
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Pre-lab Quiz Results
You scored 100% by answering 6 out of 6 questions correctly.

1. The substrate for amylase is

1. The substrate for amylase is

3. The reagent IKI tests for the presence of

4. Which of the following is not true of controls?

5. Which of the following is an end product of starch digestion?

6. Hydrolases are enzymes that break down large molecules into smaller subunits through the addition of _____________.

Post-lab Quiz Results
You scored 75% by answering 3 out of 4 questions correctly.

1. Tubes 3, 7, and 8 reveal that

2. This activity includes a number of negative controls. Which tube indicates that the amylase solution was not
contaminated with maltose?

3. Which tubes indicate that the deionized water did not contain contaminating starch or maltose?

4. Explain where and why salivary amylase would be most active.

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 Human Physiology Laboratory (BIOL 3120 ) Physioex 8 Activity 1

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