Endotoxins are released only when bacteria

Correct answer: C. Decline phase

  • A. Excrete
  • B. Reproduce
  • C. Decline phase
  • D. Stop phase

Explanation

At the decline phase, bacterial growth decreases exponentially and many bacteria begin dying due to lack of nutrients or unfavorable changes in body conditions. Endotoxins are components of bacterial gram-negative membranes that are released to the external environment when a bacterial cell dies. Bacteria don't excrete endotoxins as waste material.

This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.

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About Kingdom Prokaryotae

Kingdom Prokaryotae includes bacteria and cyanobacteria, organisms with no membrane-bound nucleus or membrane-bound organelles. It covers their cell wall, capsule, flagella, plasmids, forms of nutrition, binary fission, useful and harmful roles, and the differences between prokaryotic cells and eukaryotic cells.

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