Which of the following statements about enzymes are true? Choose all that apply

Which of the following statements about enzymes are true? Choose all that apply

a.) an enzyme yields a specific product, whereas a nonbiologival 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.

Answer:

a) True

b) True

c) True (enzyme-substrate complex)

d) True

e) False. Nonbiological catalysts don’t show reaction specificity

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