Question

What Is The Plasma Membrane Of The Cell? What Are Its Main Functions?​

Answer 1

Answer:

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Explanation:

The plasma membrane is the outer membrane of the cell it delimits the cell itself and a cell interior with specific conditions for the cellular function. Since it is selectively permeable the plasma membrane has an important role for the passage of substances inwards or outwards.

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Answer 2

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PLASMA MEMBRANE ::

➡It is a selectively permeable membrane.

➡It is a membrane which interacts with the outside world.

➡This structure is present in both prokaryotes and eukaryotes.

Composition of cell membrane ::

➡The cell membrane is composed of lipids that are arranged in bilayer .

➡which has Hydrophobic (non polar) tail towards the inner side.

➡And Hydrophilic (polar) head which is outside.

➡Later bio chemical investigation clearly revealed that cell membrane also possess protein and carbohydrate.

➡ 52% protein 40% lipids.

FUNCTIONS OF PLASMA MEMBRANE

❇It's main function is to pass molecules through It either by active,, passive,, neutral.

❇The fluid nature of plasma membrane helps in cell growth,, formation of intercellular junctions.

❇Secretion,, endocytosis,, Cell division.

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