Some molecules are too big to pass through the phospholipid bilayer of the cell membrane. these molecules need to pass through that are embedded in the cell membrane.

These molecules need to pass through specific proteins or transmembrane proteins embedded in the cell membrane. A specific type of an integral membrane protein.

What is the question? if you were looking to design a method of separating something, you can separate this compound by putting both in water and allowing the water to dissolve the sugar. then pour it into another beaker and evaporate it then boom! salt and sugar : )