It is important to note that,population continues to decrease in rural areas and increase in urban areas.This is attributed to certain factors that are pushing people out of r â¦ ural areas and pulling them to the urban centers.
1 The outer surface of cells is often covered in a polysaccharide or protein material called glycocalyx. 2  Glycocalyx can be formed from protein, polysaccharides, polyalcohols or amino sugars.3  Glycocalyx can function in attachment, protection from desiccation, and protection from attack by a hosts immune system.he general term for any network of polysaccharide or protein containing material extending outside of the cell is the glycocalyx. Many bacteria produce such a coating on the outside of their cell, and they come in two types: capsules and slime layers. The difference between the two is somewhat arbitrary.
1 Glycocalyx: The glycocalyx is a layer present in some bacteria, and located outside of the cell wall. 2  There are two types of glycocalyces: slime layers and capsules. 3  Slime layers help bacteria stick to things and protect them from drying out, particularly in hypertonic environments.