function of plasma membrane

why is it called selectively permeable?

describe the plasma membrane?

to which par of the cell does it provide protection?

what type of support do it provide to the plant cells?

do both the plant and animal cell has plasma membrane?

what is the other name of plasma membrane?

Plasma membrane is made up
plasma membrane structure
plasma membrane functions 
what are three main types of passive transport
main type of endocytis
which fluid plasma membrane hold
plasma membrane form sheats around
plasma membrane gives protection to
what are organells
where electrons transport chains located