Which type of enzyme inhibition can be overcome by increasing substrate concentration?
Difficulty: Medium
About this MCQ
Medium MCAT item. Correct choice: A. Competitive inhibition.
- A. Competitive inhibition ✓
- B. Noncompetitive inhibition
Why not B: “Noncompetitive inhibition” is not Competitive inhibition.
- C. Irreversible inhibition
Why not C: “Irreversible inhibition” is not Competitive inhibition.
- D. Allosteric inhibition
Why not D: “Allosteric inhibition” is not Competitive inhibition.
Correct answer
A. Competitive inhibition
Explanation
Competitive inhibition is the term that matches “Which type of enzyme inhibition can be overcome by increasing substrate concentration” (option A). Option B (Noncompetitive inhibition) is a different value from Competitive inhibition. Option C (Irreversible inhibition) is a different value from Competitive inhibition. Option D (Allosteric inhibition) is a different value from Competitive inhibition. Keep Competitive inhibition as the MCAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, MCAT, Biochemistry, Enzymes
Submitted by: MCQsHub Editorial
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