Question

Which part of the cell membrane is polar and allows the cell to exist in water?

Answer 1

In cell membrane phospholipids are formed in a bilayer , in which the non polar termed as hydrophobic are present in the interior of bilayer to shield it from water , and polar region termed as hydrophilic is present outward to interact with water inside or outside the cells.

Answer 2

Phosphate Groups allows the cell to exist in water