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Question

Do bacteria need oxygen?


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Solution

Bacteria:

  1. They are unicellular organisms.
  2. They are one of the very first organisms to evolve on earth.
  3. They are prokaryotes and can grow aerobically or anaerobically (in the absence of oxygen).
  4. Examples- Escherichia coli, Streptococcus, etc.
  5. Examples of aerobic bacteria: Mycobacterium tuberculosis, Bacillus, etc.
  6. Examples of anaerobic bacteria- Peptostreptococcus spp., Clostridium spp., etc.

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