A: The Allied Powers, or Allies, refers to coalitions of primarily North American nations victorious over rival, central-European forces in World War I and World War II. The four nations that recurred as the main forces of the Allied Powers in both wars were France, Russia/USSR, the United Kingdom and the United States. Continue Reading
The Phospholipid Bilayer. 1  All Biological Membranes are made of the same basic structure. 2  This is composed of molecules called Phospholipids, which form a Phospholipid Bilayer. 3  Phospholipids are fats. 4  They are composed of two Fatty Acid 'tails' and a Phosphate 'head' .
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.