What are the basis function of plasma membrane(3-4 points minimum)
Answers
Explanation:
(1) they keep toxic substances out of the cell;
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment; and
(3) they separate vital but incompatible metabolic processes conducted within organelles.
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Answer:
The cell membrane is also known as the plasma membrane. It is the outermost covering of animal cells. It is a semi-permeable membrane composed of lipids and proteins. The main functions of the cell membrane include:
1.Protecting the integrity of the interior cell.
2.Providing support and maintaining the shape of the cell.
3.Helps in regulating cell growth through the balance of endocytosis and exocytosis.
4.The cell membrane also plays an important role in cell signalling and communication.
5.It acts as a selectively permeable membrane by allowing the entry of only selected substances into the cell.