Answer:
The correct option is c. Solubility
Step-by-step explanation:
Lipid is a category of bio molecules which include waxes, fats, steroids and oils. The main functions of lipids are signalling, energy storage and also they are one of the main components of the cell membrane.
Lipids are insoluble in polar solvent and highly soluble in non-polar or slightly polar organic solvents.
Therefore, the solubility of the lipids in non-polar solvents is the most used characteristic to describe lipids.