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A particular bacterial species is known to be an aerotolerant anaerobe. A culture of these cells is growing on a Petri plate. If hydrogen peroxide

A particular bacterial species is known to be an aerotolerant anaerobe. A culture of these cells is growing on a Petri plate. If hydrogen peroxide is applied to this culture, and bubbling is NOT observed, which of the following can be concluded?

A. It contains the enzyme superoxide dismutase.

B. It contains the enzyme catalase.

C. It contains the enzyme peroxidase.

D. Both A and B are true.

E. Both A and C are true.

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