Question
Biology Question on biological classification
Archaea differs from Eubacteria in one of the following features. Choose the correct answer
A
They have a rigid cell wall
B
They have 16 S RNA
C
They are very ancient.
D
Their cell wall, lacks peptidoglycan component
Answer
Their cell wall, lacks peptidoglycan component
Explanation
Solution
Archaebacteria are characterised by absence of peptidoglycan in their wall. Instead they contain protein and noncellulosic polysaccharides. Cell wall has pseudomurein in some methanogens. The cell membranes are characterised by the presence of a monolayer of branched chain lipids.