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SAT® Subject Test in Biology

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Catalase Reaction

SATBIO-VYUFNX

Catalase is an enzyme that acts upon hydrogen peroxide and breaks it down into water and oxygen gas. Which of the following factors will affect the rate of this enzyme catalyzed reaction?

I. A change in the concentration of catalase
II. A change in the concentration of hydrogen peroxide
III. A change in the concentration of sodium ions

A

I only

B

II only

C

III only

D

I and II only

E

I, II, and III