Question

give two important features of Archaebacteria

Answer 1

Answer :-

First of all, what is Archaebacteria?

Ans - Archaebacteria is a sub-division of the kingdom "Monera".

But, in the six kingdom system of biological classification, for the 1st time, Archaebacteria was given the status of a kingdom.

The two main features of Archaebacteria are as follows :-

• The cell wall of Archaebacteria is made up of "*Glycoprotien".

• The D.N.A of Archaebacteria contains "Introns" in it.

Extra Information :-

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• The presence of "Introns" in the D.N.A. of Archaebacteria is a eukaryotic feature.

• 3 types of R.N.A. polymerase are present in Archaebacteria.

• Ribosomal Protien of Archaebacteria is highly acidic in nature.

• Archaebacteria is comparatively more primitive than Eubacteria.

*Note :-

"Glycoprotien" is also known as "Pseudomurin".

Answer 2

Answer:

Some of the features of Archaebacteria are :-

• These are also known as the group of ancient bacteria.

• These are the first bacteria to be evolved and have their primitive characteristics.

• Mostly these Archaebacteria are anaerobes.

• The cell wall of Archaebacteria is made up of complex polysaccharides and polypeptide.

• The cell membrane is composed of single layer branched chain molecules of lipids.

• They have a good resistance ability against heat, salinity and PH etc.

• These Archaebacteria are mostly found in harsh, and adverse conditions.