Anaerobic organism
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Anaerobic Organism
Anaerobic organisms or anaerobes (pronunciation: /ænəˈroʊbɪk ˈɔːrɡənɪzəm/) are organisms that do not require oxygen for growth. They may react negatively or even die if oxygen is present.
Etymology
The term "anaerobic" comes from the Greek words "an" (without) and "aer" (air), combined with the suffix "-obic" (pertaining to life), thus meaning "life without air".
Types of Anaerobic Organisms
Anaerobic organisms can be classified into three types:
- Obligate Anaerobes: These organisms cannot survive in the presence of oxygen.
- Aerotolerant Organisms: These organisms cannot use oxygen for growth, but they tolerate its presence.
- Facultative Anaerobes: These organisms can grow without oxygen but can utilize oxygen if it is present.
Related Terms
- Anaerobic Respiration: A process in which energy is produced by the oxidation of nutrients in the absence of oxygen.
- Fermentation: A metabolic process that converts sugar to acids, gases, or alcohol in the absence of oxygen.
- Glycolysis: The metabolic pathway that converts glucose into pyruvate, releasing energy.
See Also
External links
- Medical encyclopedia article on Anaerobic organism
- Wikipedia's article - Anaerobic organism
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