Which one of the following is anaerobic bacterium?
Correct answer: D. Spirochete
- A. Campylobacter
- B. E. coli
- C. Pseudomonas
- D. Spirochete
Explanation
Spirochetes are often anaerobic (or microaerophilic) because of the way their metabolism and cellular structure are adapted to survive.Many spirochetes (e.g., Treponema, Borrelia, Leptospira) are adapted to environments low in oxygen, such as:Deep tissuesMuddy or waterlogged soilIntestines of animalsOral cavities and dental plaquesBecause of this, they evolved to survive without needing oxygen, or needing very little.
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About Kingdom Prokaryotae
Kingdom Prokaryotae includes bacteria and cyanobacteria, organisms with no membrane-bound nucleus or membrane-bound organelles. It covers their cell wall, capsule, flagella, plasmids, forms of nutrition, binary fission, useful and harmful roles, and the differences between prokaryotic cells and eukaryotic cells.
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