The outer lining of a eukaryotic cell is called the plasma membrane. This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of proteins and lipids, fat-like molecules.
plasma membrane ,cell membrane, also called plasma membrane, thin membrane that surrounds every living cell, delimiting the cell from the environment
The cell is surrounded by a plasma membrane (or cell membrane) to separate the cell contents from the external environment. Biology definition: A cell wall is a structural layer next to the cell membrane with the primary role of giving the cell rigidity and protection from mechanical stress.
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