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

• 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.