n. pl. locÂ·ules or locÂ·uÂ·li (-lÄ«â²). A small cavity or compartment within an organ or part of an animal or plant, as any of the cavities within a plant ovary. [Latin.
Competitive inhibition is a form of enzyme inhibition where binding of the inhibitor to the active site on the enzyme prevents binding of the substrate and vice versa. Most competitive inhibitors function by binding reversibly to the active site of the enzyme.
In non-competitive inhibition, the inhibitor binds to the enzyme at a site different than the active site. Binding to this site, however, changes the overall shape of the enzyme, slowing the processing of substrate into product once it is bound to the enzyme.n competitive inhibition, the inhibitor resembles the chemical structure of the true substrate, and it competes with the substrate for binding to the active site. The inhibitor is only able to bind the free enzyme, and cannot bind the substrate-enzyme complex.