Arun
Last Activity: 5 Years ago
The cell capsule is a very large structure of some prokaryotic cells, such as bacterial cells. It is a polysaccharide layer that lies outside the cell envelope of bacteria, and is thus deemed part of the outer envelope of a bacterial cell.
with the help of these capsule bacteria do hides from the immnue system of the host , so, that the immnue system of host cannot affect it .
so, from your options option no 3 is correct