C. Relate what you’ve observed to the activity of the enzyme, salivary amylase. Where is it formed? Where is it active? D. Where is salivary amylase deactivated? What causes it to be deactivated?
PLEASE ANSWER C AND D IN QUESTIONS ASKED AT THE END BASED ON GIVEN INFORMATION
1. The Effect of Various Factors on the Rate of an Enzyme Reaction. These experiments will use the enzyme catalase, which is found in potatoes. Catalase acts on the substrate, H2O2 (hydrogen peroxide), to produce H2O and O2. The O2 is released as bubbles. Therefore, the more bubbles you see, the greater the reaction.
Base your responses on the following data table:
The effect of pH on the
|
Tube |
pH |
Prediction - no bubbles + some bubbling ++ strong bubbling +++ very strong bubbling |
Observation - no bubbles + some bubbling ++ strong bubbling +++ very strong bubbling |
|
1 |
3 |
- |
- |
|
2 |
5 |
- |
- |
|
3 |
7 |
+ |
++ |
|
4 |
9 |
- |
+++ |
|
5 |
11 |
- |
+ |
A. What is the ideal pH for the enzyme catalase?
Ans: 9
B. What happens to enzyme activity when the pH is significantly higher or lower than the ideal pH
Low enzymatic activity at significantly higher or lower pH.
C. Relate what you’ve observed to the activity of the enzyme, salivary amylase. Where is it formed? Where is it active?
D. Where is salivary amylase deactivated? What causes it to be deactivated?
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