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What bacteria can use fermentation pathways but also contain superoxide dismutase?



A. Obligate aerobes
B. Obligate anaerobes
C. Facultative anaerobes
D. Aerobic heterotrophs
Asked by Bundy, Last updated: May 03, 2018

This question is part of

Micro Comprehensive Exam part 2

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1 Answer

John Smith

John Smith

Answered on Sep 09, 2016

Facultative anaerobes-theansweris c.facultative anaerobes grow in the presence or absence of oxygen; a respiratory mode is used when oxygen is present, and fermentation occurs when it is not. facultative anaerobes contain the enzyme superoxide dismutase, which aids aerobic growth by preventing the accumulation of the superoxide ion. obligate aerobes do not have fermentative pathways and require xygen for growth; obligate anaerobes lack superoxide dismutase. the heterotrophs require preformed organic compounds for growth.
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