Multiple choice

Which of the following is a prokaryotic microbe?

  1. Yeast

  2. Sporozoan

  3. Spirochete

  4. Diatom

  5. Choanoflagellate

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Spirochetes are long and slender bacteria, and placed in domain bacteria (prokaryote). These are thin, corkscrew-shaped, gram-negative and flexible organisms that range in length from a few to as many as 500 µm.

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