Which Statement About Ligands Is False

Multiple Choice

Which statement about ligands is false?

A) An antagonist binds to a receptor protein in place of its ligand.
B) Drugs can function as ligands.
C) Ligands and receptors bind irreversibly, according to the law of mass action.
D) An inhibitor binds to a receptor protein in place of its ligand.
E) Antagonists acting as ligands can be natural or artificial.