Nuclear membrane is absent in

The cell wall of Gram-negative bacteria is:

The cell of a mycoplasma contains:

Which of the following is $NOT$ associated with Archaebacteria?

Cyanobacteria and heterotrophic bacteria have been clubbed together in eubacteria of kingdom-Monera as per the 'five kingdom classification' even though the two are vastly different from each other. Is this grouping of the two types of taxa in the same kingdom justified? If so,why? Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.

Write a short note on Archaebacteria.