| 21. | Aerotolerant anaerobes have superoxide dismutase and peroxidase but don't have catalase.
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| 22. | Gram-negative rods and anaerobes may also lead to cavernous sinus thrombosis.
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| 23. | Organisms containing OLE RNA are predominantly extremophiles and anaerobes.
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| 24. | Strain CKB is a Gram negative, facultative anaerobe belonging to the Betaproteobacteria.
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| 25. | It is a facultative anaerobe capable of aerobic respiration.
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| 26. | This motile bacillus is a gram negative, facultative anaerobe and a spirochaete.
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| 27. | Each of these genera contains a single species and they are strict anaerobes.
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| 28. | It is an obligate anaerobe, meaning that oxygen is poisonous to the cells.
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| 29. | And facultative anaerobes can grow without oxygen but use oxygen if it is present.
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| 30. | All sulfate-reducing organisms are strict anaerobes.
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