Question

What is the significance of membrane in the cell

Answer 1

it allows only selected particles to enter inside the cell

Answer 2

$\Huge{\mathfrak{\purple{\underline{Answer}}}}$

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.