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Which of the following organism can grow with or without oxygen?

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in Fermentation Technology by (72.1k points)
Which of the following organism can grow with or without oxygen?

(a) Obligate aerobes

(b) Facultative anaerobes

(c) Obligate anaerobes

(d) Aerotolerant anaerobes

The question was asked during an internship interview.

I'm obligated to ask this question of Continuous Sterilization in section Sterilization of Fermentation Technology

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The correct answer is (b) Facultative anaerobes

For explanation: Facultative anaerobes grow with or without oxygen. However, they grow better in the presence of oxygen and obtain their energy through aerobic respiration. If oxygen is absent, they utilize fermentation respiration.

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