🦷 DAT Exam Prep

Competitive inhibition of an enzyme:

A Changes the enzyme shape permanently
B Is overcome by increasing substrate concentration because the inhibitor competes for the active site
C Cannot be reversed
D Decreases Vmax

✓ Correct Answer: Option B

Competitive inhibitor binds active site. Increasing [S] outcompetes it. Vmax unchanged; apparent Km increases.

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