Description: The biosynthesis of quinone is the biological process by which organisms produce quinones, organic compounds that play a crucial role in various biological functions. These molecules are known for their ability to act as electron carriers in metabolic processes, as well as their involvement in photosynthesis and cellular respiration. Quinones are characterized by their chemical structure, which includes a benzene ring and functional groups that confer redox properties, allowing them to participate in oxidation-reduction reactions. This biosynthetic process is essential for the production of compounds such as ubiquinone (coenzyme Q), which is fundamental in the electron transport chain in mitochondria, and plastoquinone, which plays a similar role in chloroplasts. The biosynthesis of quinone occurs through specific metabolic pathways involving multiple enzymes and precursors, highlighting the complexity and regulation of this process in organisms. Understanding quinone biosynthesis is not only relevant to biology and biochemistry but also has implications in biotechnology and medicine, where its applications are explored in drug development and crop improvement.