Question

Explain the structure of plasma membrane

Answer 1

PLASMA MEMBRANE:

->Cell membrane or plasma membrane is made by proteins and lipids.

FUNCTIONS:

->It gives shape to the cell

->Gives proteins to the cell

->Seperates the inner contents of the cell from external environment

->Helps in entry and exit of certain substances.This property is called SEMI PERMEABILITY (or) SELECTIVE PERMEABILITY

->It helps in maintaining the volume of the cell and produces TURGER PRESSURE in plant cells against cell wall.

->cell membrane is in all the organisms.

->cell membrane bounds the cell organelles

->Cell membrane is found in eukaryotic as well as in prokaryotic cells.


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Answer 2

Plasma membrane consists of both lipids and proteins. The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.