A bacterium possessing ________ will produce O₂ bubbles when placed in the presence of hydrogen peroxide.
A) catalase
B) superoxide dismutase
C) superoxide reductase
D) peroxidase

Question

Quizplus · Accepted Answer

Catalase is an enzyme that breaks down hydrogen peroxide into water and oxygen gas. Therefore, a bacterium possessing catalase will produce oxygen bubbles when placed in the presence of hydrogen peroxide. The other choices, superoxide dismutase, superoxide reductase, and peroxidase, do not directly break down hydrogen peroxide into oxygen gas.

A Bacterium Possessing ________ Will Produce O₂ Bubbles When Placed