Question

Archaebacteria differ from eubacteria in which one of the following respect?

• A. Their cell wall lack peptidoglycan compound
• B. They inhabit extreme environment
• C. They have unique 16s RNA
• D. All of the above

Answer 1

The correct option is D All of the above

• Archaebacteria are primitive bacteria.
• The cell wall is composed of glycolipids, amino acids and glycoproteins which form the S-layer.
• There is no peptidoglycan present in the bacterial cell wall.
• These organisms can survive in high salt concentration, high temperature, high pressure, etc.
• They have genetically different 16S rRNA.

Thus, the correct answer is option D.