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The cell membrane is composed of the lipid bilayer. In addition to lipids most membranes contain proteins and carbohydrates. ________________________________________________________________. YOUR finger nails and hair are made out of Keratin. its a protein (so is whale baleen and animal horns)
the cell membrane is composed of two layers of phospholipid chains and is called the phospholipid bilayer. 2 people found this useful. Edit. Share to: 1  The Five Major Parts of the Brain At its most basic, the brain controls the body.onfidence votes 526. The layers are made up of lipids. These have a water loving head and a water hating tail. The membrane kind of looks like this: O==O In the cell membrane the water hating tails face each other.