Schleswig-Holstein Abitur Biology Practice Questions - Schleswig-Holstein Zentralabitur Biology (Biologie) Exam

Why does enzyme activity typically decline sharply above its temperature optimum?

Rising temperature disrupts the weak bonds holding the enzyme's tertiary structure, denaturing the active site The substrate molecules stop moving at higher temperatures Enzymes convert to a different, inactive type of protein above the optimum Higher temperatures increase the enzyme's affinity for its substrate indefinitely

Correct Answer:

Rising temperature disrupts the weak bonds holding the enzyme's tertiary structure, denaturing the active site

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