Prokaryotic Cells - Capsule Flashcards
1
Q
What is a capsule?
A
A thick polysaccharide layer outside of the cell wall.
2
Q
What is the capsule used for?
A
Sticking cells together as a food reserve.
Protection against desiccation, chemicals and phagocytes.
3
Q
What happens in some species?
A
The capsules of many cells fuse together forming a mass of sticky cells called a biofilm.
4
Q
Example of biofilm?
A
Dental plaque.
5
Q
What is the capsule made up of?
A
Secreted slime.