PMB addresses allow small businesses to have a professional-looking street address, have someone available during regular delivery hours to sign for letters or packages, pick up the mail at convenient hours, and retain privacy, which can be important for the owners of home-based businesses.
The main â¦ functions of lipids are energy storage, as structural components of cell membranes, and as important signaling molecules.ipids have six major functions. They store energy, they are a  shock absorber, they are structural components in cell membranes,  they are precursors of hormones, they are â¦ insulation, and they aid  in the absorption of vitamins.
Quick Answer. The five functions of lipids are: acting as an energy source, providing insulation and protection to organs, giving structure to cell membranes, insulation and generating heat when temperatures change. Most people have enough lipids to act as a food source for 24 to 30 days. Continue Reading