Join MileagePlusÂ®. To earn TrueBlue points for a Silver flight, simply add your TrueBlue member number as you make your reservation online at either silverairways.com or jetblue.com, and add your TrueBlue member number to your reservation when prompted.
Let's review. Phospholipids are a type of lipid-one of the four main classes of molecules that make up living things. Phospholipids serve a very important function by surrounding and protecting internal cell components.
Phospholipids. 1  Phospholipids are derivatives of triglycerides that consist of a glycerol molecule with two fatty acids, a phosphate group on the third carbon, and commonly an additional polar molecule. The diglyceride portion of a phospholipid is hydrophobic, while the phosphate is hydrophilic. 2  Location: Cell membrane.