Which of the following statements about enzymes are true? Select all that apply.
a)an enzyme yields a specific product, whereas a non-biological catalyst may produce more than one product, and side reactions may occur.
b)reactions occur at the active sight, which usually consist of a crevice on the enzyme’s surface.
c)both non-biological catalysts and enzymes show reaction specificity.
d)generally, an enzyme is specific for a substrate. for example, thrombin catalyzes the hydrolysis of the peptide bond between Arg and Gly.
e) a substrate must bind to the active sight before a reaction occurs.