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 |
 52%

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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 |
 72%

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