Which statement about enzymes is false?

The assertion that coenzymes are part of the primary structure of an enzyme is inaccurate. Coenzymes are not integral components of the enzyme's primary structure, which refers specifically to the amino acid sequence that makes up the enzyme itself. Instead, coenzymes are small organic molecules that bind to enzymes to assist in their catalytic functions. They often serve as carriers for chemical groups or electrons during enzymatic reactions, but they are not covalently bonded to the enzyme and do not form part of the enzyme’s structural makeup.

In contrast, coenzymes are distinct entities that enable enzymes to function effectively by participating in the chemical processes, but they are not part of the enzyme's primary sequence or structure. Therefore, this distinction sets apart the role of coenzymes and highlights the misunderstanding in the assertion.

Understanding the roles of coenzymes and the structural components of enzymes is crucial in biochemistry, especially when considering enzyme activity and regulation.