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Which one of the following statements is incorrect?
| 1. | In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme. |
| 2. | The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex. |
| 3. | The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate. |
| 4. | A competitive inhibitor reacts reversibly with the enzyme to form an enzyme-inhibitor complex. |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
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If an non active-site directed inhibitor is present in the medium, the curve that will represent the progress of the chemical reaction will be shown by the letter:
1. D
2. C
3. B
4. A
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
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All of the following are true of protein denaturation except that it
| 1. | is a shape change |
| 2. | is always irreversible |
| 3. | may be caused by a pH change |
| 4. | could result from a temperature change |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
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