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| 1. |
How are exergonic and endergonic reactions linked?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 2. |
What are the three important principles that relate to all catalysts?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 3. |
How does an enzyme catalyze a reaction?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 4. |
How do pH and temperature affect enzyme function?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 5. |
Glycolysis is the metabolic pathway that breaks down some of the bonds in glucose to produce ATP from ADP. Glycolysis involves 10 biochemical reactions, each catalyzed by a different enzyme. The third step is catalyzed by the enzyme phosphofructokinase. This enzyme is stimulated by ADP but is inhibited by ATP. Explain how this effect can regulate the glycolysis pathway.
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 6. |
In recent years, archaebacteria have been found thriving under extreme conditions, some even in the hot springs at Yellowstone National Park. Most bacteria would be killed under these circumstances, but these thermophilic bacteria require temperatures as high as 100 degrees Celsius for life. What can you conclude about the enzymes found in these archaebacteria?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 7. |
Most enzymes are susceptible to denaturation upon heating. However, many enzymes will be more stable in the presence of large quantities of its substrate. Explain why excess substrate may enhance enzyme stability and prevent denaturation.
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 8. |
Why can’t you just take an ATP pill for quick energy?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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| 9. |
Some mitochondrial poisons are classified as uncouplers. Suggest why these poisons are called uncouplers. What effect would they have on humans?
[Hint]
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
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