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Question

Why is archaebacteria not converted into modern bacteria?


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Solution

Archaebacteria do not change in modern bacteria because:

They lack pseudopeptidoglycan's in their cell walls and the lipid makeup of their cell membranes, these prokaryotic organisms have not been changed into modern bacteria.

Archaebacteria:

  1. They are obligate anaerobes, which means they can only develop in the absence of oxygen, which is why they are the only organisms capable of methanogenesis.
  2. A lipid-based cell membrane makes up an archaebacterium's cell membrane.
  3. The hard cell wall prevents the archaebacteria from bursting in hypotonic conditions, as well as provides shape and support.
  4. Pathogenic bacteria's cell walls can be dissolved by the enzyme lysozyme, which is secreted by the host's immune system, while archaebacteria's cell wall is made up of Pseudomurein, which protects it from the lysozyme's negative effects.

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