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Questions and Answers
At what pH does the enzyme in the text reach its optimum activity?
At what pH does the enzyme in the text reach its optimum activity?
- pH 8 (correct)
- pH 7
- pH 6
- pH 9
What happens to enzyme activity with a continued increase in pH beyond the optimum?
What happens to enzyme activity with a continued increase in pH beyond the optimum?
- Enzyme activity continues to increase
- Enzyme activity decreases (correct)
- Enzyme activity remains constant
- Enzyme becomes inactive
Why does the rate of enzyme activity not increase forever with increasing substrate concentration?
Why does the rate of enzyme activity not increase forever with increasing substrate concentration?
- Enzymes become denatured
- Enzymes become saturated (correct)
- Enzymes lose their catalytic activity
- Enzymes multiply rapidly
What happens to enzyme activity when there are not enough enzyme molecules available to break down excess substrate molecules?
What happens to enzyme activity when there are not enough enzyme molecules available to break down excess substrate molecules?
What is the consequence of substrate molecules exceeding the capacity of available enzyme molecules?
What is the consequence of substrate molecules exceeding the capacity of available enzyme molecules?
What happens to the rate of an enzyme-catalyzed reaction at high temperatures?
What happens to the rate of an enzyme-catalyzed reaction at high temperatures?
What effect does temperature have on enzyme activity according to the text?
What effect does temperature have on enzyme activity according to the text?
How does pH affect the shape of an enzyme's active site?
How does pH affect the shape of an enzyme's active site?
What is the relationship between pH and rate of enzyme activity based on the text?
What is the relationship between pH and rate of enzyme activity based on the text?
What happens to the rate of an enzyme-catalyzed reaction beyond the optimum temperature?
What happens to the rate of an enzyme-catalyzed reaction beyond the optimum temperature?
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