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anaerobic organism : ウィキペディア英語版 | anaerobic organism
An anaerobic organism or anaerobe is any organism that does not require oxygen for growth. It may react negatively or even die if oxygen is present. An anaerobic organism may be unicellular (e.g. protozoans, bacteria) or multicellular. ==Classification== For practical purposes, there are three categories of anaerobe: *Obligate anaerobes, which are harmed by the presence of oxygen. *Aerotolerant organisms, which cannot use oxygen for growth, but tolerate its presence. *Facultative anaerobes, which can grow without oxygen but use oxygen if it is present.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「anaerobic organism」の詳細全文を読む
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