Which of the following statements show characteristics of Archaebacteria?

I. The cell walls do not contain peptidoglycan.

II. There are no membrane-enclosed organelles within their cytoplasm.

III. Their DNA consist of histone proteins.

IV. Their membrane lipid has unbranched hydrocarbon chain.

Which compound in the cell wall that causes a Gram positive bacteria stain purple in colour when it is treated with crystal violet dye?

Cyanobacteria are

Which of the following statements are TRUE about organisms in the Domain Bacteria?

I. Consist of bacteria and cyanobacteria

II. Some are photoautotrophs

III. Genetic material is a single stranded DNA

IV. Organelles are not present

All answers listed below are true about bacteria except

What material is found in most bacterial cell walls?

A rod-shaped bacteria is called

The Gram-positive bacteria stain purple because

Bacteria and Archaebacteria are both prokaryotes. How do they differ to each other?

Prokaryotes are differentiated from eukaryotes by