Enzyme specificity refers to the ability of an enzyme to recognize and bind to specific substrates, thereby catalyzing specific chemical reactions. Enzymes are highly specific in their interactions with substrates, meaning that each enzyme will only catalyze a particular reaction with a specific substrate or group of substrates. This specificity is determined by the active site of the enzyme, which is a region of the enzyme molecule that binds to the substrate and facilitates the catalytic reaction. Enzyme specificity plays a crucial role in biological processes, as it allows cells to regulate and control the numerous chemical reactions that occur within them. Understanding enzyme specificity is essential for designing and developing drugs, biocatalysts, and other biochemical tools.