Ethanolamine is the second-most-abundant head group for phospholipids, substances found in biological membranes (particularly those of procaryotes), e.g., phosphatidylethanolamine. It is also used in messenger molecules such as palmitoylethanolamide, which has an effect on CB1 receptors.thanolamine is the second-most-abundant head group for phospholipids, substances found in biological membranes (particularly those of procaryotes), e.g., phosphatidylethanolamine. It is also used in messenger molecules such as palmitoylethanolamide, which has an effect on CB1 receptors.
MITOCHONDRIA. The mitochondria are round tube-like organelles that are surrounded by a double membrane, with the inner membrane being highly folded. the mitochondria are often referred to as the powerhouse of the cell. the mitochondria releases food energy from food molecules to be used by the cell.
Confidence votes 12. The reproductive system breaks down food and takes nutrients out of it so they can used by the body. The nutrients are transported throughout the body by the circulatory system. Digestion of large nutrients into smaller molecules takes place throughout the digestive system. Wherever there are enzymes secreted, you can be sure that the break down of substances is taking place. Specific organs where this takes place include the mouth, the stomach and the small intestine.