Question

why cell membrane is semi permeable in .​

Answer 1

So since it only allows small and non polar molecules to pass in, it is described as partially permeable or semi-permeable. Those ions and molecules restricted by the phospholipids pass in and out of the cell via membrane proteins.

Answer 2

Explanation:

So since it only allows small and non polar molecules to pass in, it is described as partially permeable or semi-permeable. Those ions and molecules restricted by the phospholipids pass in and out of the cell via membrane proteins.