In biological systems, enzymes act as catalysts and play a critical role in accelerating reactions many times faster than the reaction would normally proceed. Enzymes are high-molecular weight protein...In biological systems, enzymes act as catalysts and play a critical role in accelerating reactions many times faster than the reaction would normally proceed. Enzymes are high-molecular weight proteins that act on a substrate, or reactant molecule, to form one or more products. Enzymes are highly specific catalysts for biochemical reactions, with each enzyme showing a selectivity for a single reactant, or substrate.
