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What is Acid fastness of tubercle bacilli is attributed to ? and explain in detail?
Ans. is 'c' i.e., Both of the above Acid fastness has been ascribed variously to the presence in the bacillus of the unsaponifiable wax (mycolic acid) or to a semipermeable membrane around the cell. It is related to the integrity of the cell wall and appears to be a propey of lipid-rich waxy cell wall. Acid fastness is not a propey of lipids alone but depends also on the integrity of the cell wall. - Ananthanarayan