Bacterial outer membrane
Bacterial Outer Membrane
The Bacterial Outer Membrane is a unique feature found in gram-negative bacteria. It serves as a protective barrier against harmful substances and also plays a crucial role in the bacteria's interaction with its environment.
Pronunciation
Bac·te·ri·al Out·er Mem·brane
Etymology
The term "Bacterial Outer Membrane" is derived from the Latin word "bacterium" meaning "small rod", and the English words "outer" and "membrane" referring to its location and structure respectively.
Structure
The Bacterial Outer Membrane is a complex structure composed of lipopolysaccharides, phospholipids, and proteins. The outer membrane is asymmetric with the outer leaflet composed mainly of lipopolysaccharides and the inner leaflet composed of phospholipids.
Function
The primary function of the Bacterial Outer Membrane is to act as a protective barrier. It prevents the entry of harmful substances such as antibiotics, detergents, and enzymes. It also plays a role in the transport of nutrients and waste products in and out of the cell.
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