Which one of the following statements regarding enzyme inhibition is correct

Options

A. Competitive inhibition occurs when a substrate competes with enzymes for binding to inhibitor protein .
B. Competitive inhibition occurs when the substrate and the inhibitor compete for active site on the enzyme.
C. Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate.
D. Non-competitive inhibitors often bind to the enzyme irreversibly.

Answer

B

Explanation

(B) Competitive inhibition occurs when the subsrate and inhibitor compete for active site on the enzyme.
Non - competitive inhibition of an enzyme cannot be overcome by adding large amount of substrate.
Non-competitive inhibitors often bind to the enzyme reversibly.