Answer:
Generally, cell membrane plays an important role in maintaining the homeostasis by controlling the substances that penetrate the cell, either entering the cell, or leaving the cell. Since the cell membrane is a phospholipid bilayer, it can control the transition of water and ions.
Explanation:
The presence of cholesterol and short lipid tails keeps the cell membrane fluid and this mechanism helps the cell with the maintenance of homeostasis.
Homeostasis can be defined as the set of internal conditions in which an organism functions at its best. Every organelle including the cell membrane in each cell is working to maintain homeostasis.
In the cell membrane, the outer portion, or cookie layer, is made up of a double layer of molecules called phospholipids. A phospholipid is a molecule that has a head region that carries an electric charge attached to a lipid tail portion. It resembles a balloon with a string tied to it. The lipid (tail) portion repels water and keeps it either inside or outside the cell.
The cell membrane also has molecules of cholesterol dotted at different points in the phospholipid layer. The presence of the cholesterol and short lipid tails keeps the cell membrane fluid, allowing the passage of necessary materials across its layer. This one major mechanism helps the cell with the maintenance of homeostasis.
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