First slide
Prokaryotic Cells
Question

Identify the thick and tough structure in some bacteria which is usually made up of polysaccharides and rarely proteins which can impart virulence to the bacteria.

Easy
Solution

Capsule is made up of polysaccharides or proteins. Presence of capsule is genetically controlled. It protects bacteria from host cells and also prevents the cell from dessication. Capsulated bacteria are usually virulent.

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