1. a nonprotein compound that combines with an enzyme to make it active
Usage: biochemistry

Examples

• Vitamin B12 serves as a coenzyme in several metabolic reactions.
• The enzyme requires a coenzyme to function properly.
• Without the coenzyme, the biochemical reaction cannot proceed.
• Many vitamins act as coenzymes in cellular processes.
• The coenzyme binds to the enzyme to form an active complex.
• Researchers studied how the coenzyme affects enzyme activity.