Question

50 pts

write about Plasma membrane.​

Answer 1

Plasma membrane :-:------>

it is also called cell membrane .

it first layer in animal cell and second most layer in plant cell .

it is flexible .

Function

it provide protection to the internal organ of body .

it is also called semipermeable membrane allow selective part to comes in our out .

Answer 2

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PLASMA MEMBRANE ::

✴It is a membrane composed of proteins and lipids..

✴It forms boundary of cytoplasm and Vacuole.

✴Which regulates the movement of ions into and out of the cell.

COMPOSITION OF PLASMA MEMBRANE ::

✴Cell membrane is composed of lipids that are arranged in the bilayer.

✴Lipids are arranged in such a way that the polar head towards outwards. and hydrophilic tails inside as they are protected from aqueous environment.

✴The lipid component of membrane mainly consists of Phosphoglycerides.

✴The membrane also contain proteins and carbohydrates.

FUNCTIONS OF PLASMA MEMBRANE ::

✴The main function of plasma membrane is the transport of molecules across it.

✴Either by passive,, Active,, osmosis.

✴The fluidity of plasma membrane helps in Cell growth,, Cell division,, endocytosis.

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