Multiple choice

Which of the following is a genus of microaerophilic bacteria?

  1. Campylobacter

  2. Bacteroides

  3. Clostridium

  4. Bacillus

  5. Escherichia

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A Correct answer
Explanation

Campylobacter is a genus of bacteria that are Gram-negative, spiral, and microaerophilic. Microaerophiles require oxygen levels in the range of 2 to 10% for their growth and are damaged by the normal atmospheric level of oxygen (20%).