SEARCH Articles Figures Tables Accessibility of Membrane Probes to Water- and Lipid-Soluble Quenchers Arrangement of Lipids and Proteins in Sarcoplasmic Reticulum Membranes Complex systems lipid-protein mixtures and cell membranes Composition of Thylakoid Membranes Lipids, Proteins, and Electron Carriers Imaging of Intermediate-Size Biological Structures Lipid Membranes and Insulin Lipid and membrane metabolism Lipids and Biological Membranes Lipids and Proteins Are Associated in Biological Membranes Lipids and the Passive Cell Membrane Lipids cell membranes and Membrane Surfactants and Lipids Membranes, Lipids, and Fatty Acids NMR of Carbohydrates, Lipids and Membranes Plasmodium spp lipid and membrane metabolism Spatial Organization and Functional Roles of Acyl Lipids in Thylakoid Membranes Sphingomyelinases and Their Interaction with Membrane Lipids The Biosynthesis of Membrane Lipids and Steroids Trypanosoma spp lipid and membrane metabolism