Membranes as expressions of repeating units.
D002462:Cell Membrane / Q000032:analysis*; D046911:Macromolecular Substances; D008566:Membranes; D008928:Mitochondria; D008962:Models, Theoretical; D009186:Myelin Sheath; D010743:Phospholipids; D011506:Proteins; D014961:X-Ray Diffraction
D046911:Macromolecular Substances; D010743:Phospholipids; D011506:Proteins