Final answer:
Coenzymes are organic molecules, often derived from vitamins, necessary for enzyme function. They participate in enzymatic reactions without being consumed, and are reused. Vitamin C is a direct coenzyme example involved in collagen synthesis.1) organic molecules derived from vitamins
Step-by-step explanation:
Coenzymes are organic helper molecules that are essential for the proper functioning of enzymes. They are not permanently changed or consumed in the enzymatic reaction, which allows them to be reused. Coenzymes are commonly derived from dietary vitamins, and some vitamins act directly as coenzymes or as precursors to them. For example, Vitamin C is a coenzyme that participates in the synthesis of collagen, an important structural protein in connective tissues.