Mycobacterium

... citric acid is a subtype of E. coli bacterias (specie) E. coli which survives in citric acid is a mutant form of the same E. coli specie. because Mycobacterium tuberculosis resistent to antibiotics is also a mutant form of the Mycobacterium tuberculosis but didn't change of specie. and people ...

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... shape.. Here are the rest of the choices. Bacillus cereus, Bacillius megaterum, bacillus subtilis, clostridium bejerincki,clostridium sporogenes, mycobacterium phlei (I think this is it), mycobacterium smegmatis. Please help me. Thank you very much.

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Mycobacterium is acid-fast because of the high concentration of mycolic acids (fatty acids) in the cell wall. They will appear to be red.

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Which stain is frequently used to identify Mycobacterium ? Why is that? Is it to do with the high amounts of lipids contained in the cell wall? Thanks.

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... HIV as a model organism since it is a virus (thus bordering the line of living vs. non-living), we can take some other similar example, such as Mycobacterium tuberculosis , which is famous for developing multiple drug resistances in the course of time if it is under selective pressure of antimicrobial ...

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