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.
Lipids also make up a part of the cell membrane in the form of phospholipids, and they are metabolized in the body to store and create energy for cells. Lipids are organic molecules. Their main biological function is energy storage Lipids also function as the structural components of cell membranes. Lipids are hydrophobic which means water fearing. They repel water because they are made of long fatty acid chains. Think about if you were to put oil in a cup of water.