Biochemicals are naturally occurring substances that play essential roles in the biological processes of living organisms. They include a wide range of compounds such as proteins, carbohydrates, lipids, and nucleic acids. These molecules are crucial for functions like energy production, cell structure, and genetic information storage. Biochemicals are studied in the field of biochemistry, which explores how these substances interact within cells and contribute to life. Understanding biochemicals helps scientists develop medical treatments, improve agricultural practices, and create sustainable energy solutions. Their study is fundamental to advancements in medicine, nutrition, and environmental science.