Biology / Bio 0520 · Atom · ~20 seconds
Temperature, pH, and Enzyme Activity
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Each enzyme has an optimal temperature and pH at which its active site binds substrate most effectively, with activity falling off outside that range.
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Digestive enzymes in the stomach work best near pH 2, while most enzymes elsewhere prefer a near-neutral pH.
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Raising temperature speeds a reaction only to an enzyme's optimum — beyond it, activity drops.