|  | 1. | With the exception of the yeasts, most fungi are obligate aerobes. 
 
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|  | 2. | All members of the Arthrobacter family are obligate aerobes. 
 
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|  | 3. | Also, almost all algae are obligate aerobes. 
 
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|  | 4. | It has been isolated from obligate aerobes which must use oxygen for this purpose ). 
 
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|  | 5. | Why do obligate aerobes exist at all? 
 
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|  | 6. | "Lysinibacillus fusiformis " tests positive for oxidase and is an obligate aerobe. 
 
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|  | 7. | "Fulvimarina pelagi " is an obligate aerobe, and obtains its nourishment chemoheterotrophically. 
 
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|  | 8. | As oxygen is required for this process, all ( conventional ) methanotrophs are obligate aerobes. 
 
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|  | 9. | An "'obligate aerobe "'is an organism that requires oxygen to grow. 
 
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|  | 10. | That is, why do obligate aerobes use such an " always on " model that fatally breaks down if no oxygen is present? 
 
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