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' .
Question: Biological membranes are semipermeable: Some molec... Show transcribed image text Biological membranes are semipermeable: Some molecules are able to enter easily, but others are not. Sort these molecules or ions depending on their method of crossing biological membranes. Note that some of these examples may also pass through a membrane by an active transport process. However, this question asks only about passive transport processes.