Answer
True statement: The active site of an enzyme usually occupies only a small fraction of the enzyme surface.
Work Step by Step
This statement is true. The proteins in an enzyme serve several functions like maintaining the polypeptide chain in the correct conformation, localize protein in the cell, and provide additional binding sites for regulatory purposes. The active site is made of only a few amino acids. Thus, it only occupies a small fraction of the enzyme surface.
