What Features of an Enzyme's Active Site Allow It to Recognize

Multiple Choice

What features of an enzyme's active site allow it to recognize and bind a substrate?

A) The active site shape is specific for the substrate.
B) The active site shape is specific for the products.
C) The active site is highly versatile and can bind a wide variety of molecules.
D) The active site is buried deep within a hydrophobic region of the enzyme.
E) The active site has a different shape than the substrate.