50 pts
write about Plasma membrane.
#DaanBachhaDaan
Answers
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 .
Plasma membrane :
✴ It is a selectively permeable in nature and interacts with the outside world.
Composition of plasma membrane :
✴It is made up of phospholipid bilayer which is bilayred
✴These lipids are arranged within the membrane with polar head towards the outside called (hydrophilic) and the non polar (hydrophobic) tails towards inner side.
✴This ensures that non -polar tail of saturated hydrocarbons or hydrophobic tail is protected from aqueous environment.
Functions of plasma membrane :
✴plasma membrane allows transport of the molecules across it .
✴Through two process Active,, passive.
✴Protect the cell from its surroundings.
✴It is a structure present in both eukaryotes and prokaryotes.