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' .
1. PLASMA MEMBRANE/ CELL MEMBRANE. Structure-a bilipid membraneous layer composed of proteins and carbohydrates. It is fluid like. Function-the cell membrane separates the cell from its external environment, and is selectively permeable (controls what gets in and out).