Why plasma membrane also known to be as biomen membrane??
Because it allows only useful material and exit UN useful material
Selectively permeable membrane
It is also known as permiable membrane because it allow enter and exit of different substance .
Bcoz it only allows selected materials
Hy i m pamul how r u
Because It allows usefull material and exit the unusefull materials , it also called as selective permeable membrane
Because. It allows only selected materials.