Question

Write the main function of the following organelles
(a) plasma membrane ​

Answer 1

Plasma membrane is also known as cell membrane. It is selectively permeable membrane.

It's main function is to protect the cell from its external environment.

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Answer 2

Answer:

plasma membrane is basically porous.Porous means having small pores .It acts as a guard for the cell.It only allows the useful matter for the through the pores