What is what type of macromolecule is an enzyme?

Enzymes are primarily composed of proteins. This means they are a type of biological macromolecule built from chains of amino acids linked together by peptide bonds. The specific sequence of amino acids determines the unique three-dimensional structure of the enzyme, which is crucial for its catalytic activity. While some enzymes may require non-protein components such as cofactors or coenzymes to function, the core structure is always protein-based.