Question

Is there any organism without any cell membrane?

Answer 1

Mycoplasma:

1. The organisms without cell walls & that can live without oxygen are called mycoplasmas.
2. Mycoplasma is the simplest and the smallest of free living prokaryotes.
3. The size ranges from 0.1-0.15 μm. A cell wall is also absent.
4. The plasma membrane forms the outer boundary of the cell.
5. Due to the absence of a cell wall, organisms can change their shape and are pleomorphic.