the paucimolecular unit membrane model of the structure of the plasma membrane is critically reviewed in relation to current knowledge of the chemical and enzymatic composition of isolated plasma membranes , the properties of phospholipids , the chemistry of fixation for electron microscopy , the conformation of membrane proteins , the nature of the lipid-protein bonds in membranes , and possible mechanisms of transmembrane transport and membrane biosynthesis .
C0025252
membrane proteins
C0033684
protein