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' .
The main biological functions of lipids include energy storage, as structural components of cell membranes, and as important signaling molecules. Cell contain near about 70% of water. Lipids in membrane Eukaryotic cells are compartmentalized into membrane-bound organelles which carry out different biological functions.