Certain organic chemicals are compounds primarily made of carbon and hydrogen, often containing other elements like oxygen, nitrogen, or sulfur. They play crucial roles in various biological processes and are essential for life. Examples include carbohydrates, proteins, lipids, and nucleic acids, which are fundamental to the structure and function of living organisms. These chemicals can be found in everyday products, such as plastics, fuels, and medications. They are also involved in industrial processes, including the production of synthetic fibers and cleaning agents. Understanding these compounds is vital for advancements in fields like biochemistry and environmental science.