Acid Fast Staining

Acid-fast bacteria contain a lipid-rich cell wall with mycolic acid that is relatively impermeable to most basic dyes unless they are combined with phenol. Once stained, the cells resist decolorization with acidified organic solvents and are therefore called "acid-fast"

ACID FAST
ORGANISMS

Slow growers

Growth on Lowenstein Jensen Media

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Answer

Continue on to learn more about the Gram Stain

and its importance in classification of bacteria

MICRO & IMMUNO 

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Gram Staining

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