. Write any four functions of cell membrane.
Answers
Answer:
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Explanation:
Functions of the Plasma/cell Membrane
A Physical Barrier. ...
Selective Permeability. ...
Endocytosis and Exocytosis. ...
Cell Signaling. ...
Phospholipids. ...
Proteins. ...
Carbohydrates. ...
Fluid Mosaic Model.
The cell membrane is the outer covering of a cell and helps it maintain shape, as well as allows certain molecules to enter and leave the cell.
Explanation:
The cell membrane is made out of two layers of phospholipids, a type of lipid with a head and two tails. These molecules' structure allows the membrane to be semi-permeable, meaning only certain molecules can cross the membrane. This is important as cells need to quickly gets things like oxygen and water, and get rid of wastes like carbon dioxide.
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