Enzymes: proteins capable of catalyzing reactions
Which of the following statements about enzymes are true? Choose all that apply
a.) An enzyme yields a specific product, whereas a nonbiological catalyst may produce more than one product, and side reactions may occur.
b.) Generally, an enzyme is specific for a substrate. For example, thrombin catalyzes the hydrolysis of the peptide bond between Arg and Gly.
c.) A substrate must bind to the active site before a reaction occurs.
d.) Reactions occur at the active site, which usually consists of a crevice on the surface of the enzyme.
e.) Nonbiological catalysts and enzymes tend to have a similar degree of reaction specificity.
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