Question:
Archaea differs from Eubacteria in one of the following features. Choose the correct answer
Archaea differs from Eubacteria in one of the following features. Choose the correct answer
Updated On: Jun 21, 2022
- They have a rigid cell wall
- They have 16 S RNA
- They are very ancient.
- Their cell wall, lacks peptidoglycan component
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The Correct Option is D
Solution and Explanation
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.
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Biological Classification
The process of grouping living organisms into categories is called biological classification. The most modern 5-kingdom classification was put ahead by an eminent scientist R.H.Whittaker. The five-kingdom classification is based on the criteria like cell structure, mode of nutrition, body form, and reproduction. One of the most important characteristics of this system is that it follows the evolutionary sequence of living organisms. The organisms are classified into distinct taxa or levels like Kingdom, Phylum, Division, Class, Order, Family, Genus, and Species. The 5 kingdoms are as follows:
