![]() Here, a glycerol molecule reacts with three alcohol molecules in order to form a triglyceride. This is due to the presence of –COOC- bond. When considering the chemical structure of a triglyceride, it can be recognized as an ester compound. The name triglyceride is given due to the presence of these three fatty acid chains. Triglyceride is a type of lipid that is composed of a glycerol backbone attached to three fatty acid chains. Therefore, they are considered as hydrophobic part of the phospholipid molecule. These fatty acid chains are long chain fatty acids. The hydrophobic tail of the phospholipid molecule is composed of two fatty acid chains. The hydrophilic head of the phospholipid molecule is composed of a phosphate group and a glycerol backbone. This is called the amphiphilic character of phospholipids. The structure of phospholipid is described as having a hydrophilic head and a hydrophobic tail. A phospholipid molecule is composed of a glycerol backbone attached to two fatty acid groups along with a phosphate group. Phospholipid is a type of lipid composed of a phosphate group attached to a glycerol backbone. Key Terms: Fatty Acids, Glycerol, Hydrophilic, Hydrophobic, Phospholipids, Sterols, Triglycerides What is the Difference Between Phospholipid and Triglyceride What are the Similarities Between Phospholipid and TriglycerideĤ. The main difference between the structures of phospholipid and triglycerides is that a phospholipid molecule is composed of a glycerol backbone attached to two fatty acids and a phosphate group whereas triglyceride is composed of three fatty acid groups. There is a slight difference between Phospholipids and triglycerides in their chemical structure. However, phospholipids and triglycerides are found in high amounts in our body whereas the amount of sterols present is very less. These types are different from each other according to their chemical structure. They are two of the three types of lipids found in nature. ![]() Phospholipids and triglycerides are important molecules found in biological systems. Main Difference – Phospholipid vs Triglyceride ![]()
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