Essential Biochemistry - Enzymes (Section 4 - No. 7)

An irreversible inhibitor bonds with an enzyme:

Slightly reversibly and forms a stable complex.

Irreversibly and does not form a stable complex.

Slightly reversibly and does not form a stable complex.

Irreversibly and forms a stable complex.

Irreversible inhibitors bind to the enzyme and form a stable complex that is not easily reversed.