This page outlines the role of biological catalysts, primarily proteins known as enzymes, in accelerating chemical reactions by lowering activation energy. Enzyme specificity is highlighted through th...This page outlines the role of biological catalysts, primarily proteins known as enzymes, in accelerating chemical reactions by lowering activation energy. Enzyme specificity is highlighted through the "induced fit" mechanism, with activity influenced by pH, temperature, and the need for cofactors. Competitive inhibition occurs when similar substrates vie for binding.