Which Statement Best Describes the Relationship Between an Enzyme and a Reactant

Multiple Choice

Which statement best describes the relationship between an enzyme and a reactant?

A) One enzyme typically has many reactants with which it will associate.
B) The enzyme and the reactant molecule are both permanently changed.
C) The resultant product and the enzyme are permanently bonded together.
D) The relationship is temporary.
E) Covalent chemical bonds stabilize the relationship.