Staphylococcus aureus is best described as which of the following regarding catalase?

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Multiple Choice

Staphylococcus aureus is best described as which of the following regarding catalase?

Explanation:
The catalase test hinges on whether the organism has the enzyme catalase to break down hydrogen peroxide into water and oxygen. Staphylococcus aureus has this enzyme, so when hydrogen peroxide is added, you see rapid bubbling from oxygen release. That positive result is a classic way to distinguish Staphylococcus from Streptococcus, which do not produce catalase and show no bubbles. Catalase production in S. aureus is typically consistent, not variable, making the description catalase positive the correct way to characterize it.

The catalase test hinges on whether the organism has the enzyme catalase to break down hydrogen peroxide into water and oxygen. Staphylococcus aureus has this enzyme, so when hydrogen peroxide is added, you see rapid bubbling from oxygen release. That positive result is a classic way to distinguish Staphylococcus from Streptococcus, which do not produce catalase and show no bubbles. Catalase production in S. aureus is typically consistent, not variable, making the description catalase positive the correct way to characterize it.

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