NEET2015Zoology-Enzymes
NEET 2015 Zoology Enzyme Inhibition MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which one of the following statements is INCORRECT?
A
A competitive inhibitor reacts reversibly with the enzyme to form an enzyme inhibitor complex.
B
In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
C
The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
D
The presence of the competitive inhibitor decreases the Kₘ of the enzyme for the substrate.
Correct Answer
Option D
Detailed Explanation
Competitive inhibitors increase the apparent Kₘ of the enzyme for the substrate, as they compete with the substrate for binding to the active site.
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