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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.
Best Answer: The usual phospholipid that we encounter is those found in the cell membrane, namely the membrane phospholipid. They are the predominant lipids of cell membrane. They can act as: 1) reservoir of intracellular protein messengers such as phosphoinositol biphosphate. just now. Report Abuse. Phospholipids make up the structure of the lipid bilayer found in the membrane of cells. Primarily, it's main job is to keep the things that are on the inside of a cell inside, and keep what things are outside the cell on the outside.