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The species of bacteria, which possesses 250 genes for lipid biosynthesis is

  • A.M. genitalium
  • B.M. tuberculosis
  • C.E. coli
  • D.H. influenzae

Answer: B

Correct answer: M. tuberculosis

About 250 of the roughly 4,000 genes of M. tuberculosis are devoted to lipid metabolism, an extraordinary proportion. It reflects the organism’s unusual cell envelope of mycolic acids and complex lipids, which gives it its acid-fast staining, its impermeability to drugs and much of its ability to survive inside macrophages.

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