Which statement about enzymes is true? A. An enzyme functions to increase the rate of a chemical reaction. B. Enzymes are protei
ns that function as catalysts in nonliving things. C. Each enzyme can catalyze many different biochemical reactions. D. Enzymes and substrates fit together like a lock and key.
A. An enzyme functions to increase the rate of a chemical reaction.
<span> First, the basic </span>function<span> of an </span>enzyme<span> is to increase the rate of a reaction. Most cellular reactions occur about a million times faster than they would in the absence of an </span>enzyme<span>.</span>
