Q.54 How do enzymes help a substrate to be attacked by the reagent
effectively?
At the surface of the enzyme, active sites are present. These active sites of enzymes hold the substrate molecule in a suitable position so that it can be attacked by the reagent effectively. This reduces the magnitude of activation energy.
Enzymes contain cavities of characteristics shape and possessing active groups known as the active center on the surface. The molecules of the reactant (substrate) having the complementary shape, fit into these cavities. On account of these active groups, an activated complex is formed which then decomposes to yield the products.
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