Which statement about the usual modes of action of a competitive inhibitor and a non-competitive inhibitor is correct?
- ACompetitive inhibitors can bind to alternative (allosteric) sites of an enzyme, non-competitive inhibitors have an irreversible effect on the enzyme.
- BCompetitive inhibitors have exactly the same shape as the substrate, non-competitive inhibitors can have any shape.
- CCompetitive inhibitors may be used to regulate enzyme activity, non-competitive inhibitors have no functions in enzyme regulation.
- DCompetitive inhibitors will not alter $V_{max}$, non-competitive inhibitors will reduce $V_{max}$.