Multiple choice

The bacteria that cause botulism are

  1. facultative anaerobes

  2. obligate aerobes

  3. facultative aerobes

  4. obligate anaerobes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Clostridium botulinum, the bacterium that causes botulism, is an obligate anaerobe meaning it requires an oxygen-free environment to grow. It cannot survive in the presence of oxygen, unlike facultative anaerobes which can adapt to both conditions.

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