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Question

Which of the following differentiates Archea from Eubacteria?

A
Structure of cell wall
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B
Structure of cell membrane
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C
Structure of nucleus
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D
None of the above
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Solution

The correct option is A Structure of cell wall
The archaebacteria are the group of primitive bacteria. It includes the three groups called as methanogens, halophiles and thermophiles. These bacteria differ from the eubacteria on the basis of the structure of the cell wall. The cell wall of archaebacteria is made up of pseudomurein, complex carbohydrates or protein-glycoproteins. There is S-layer which contain protein subunits. The cell wall of eubacteria contains peptidoglycan layer. There are subunits of muramic acid.
Thus, the correct answer is option A.

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