Each enzyme molecule has a special place called the active site where another molecule, called the substrate, fits. The substrate goes through a chemical reaction and changes into a new molecule ...

Enzymes have active sites which only match specific substrates. The diagram shows how this works. In this example, the enzyme splits one molecule into two smaller ones, but other enzymes join ...

The diagram below shows how an enzyme catalyses the breakdown of one substrate into two products.

This transformation enables the enzyme to better bind with its substrate (light pink puzzle piece). In contrast, an inhibitor molecule (pink circle) can prevent the interaction of an enzyme with ...