E Membranes E1 Membrane lipids E2Membrane protein and carbohydrate E3 Membrane transport: small molecules E4. Membrane transport: macromolecules E5.Signal transduction
• E1.Membrane lipids • E2.Membrane protein and carbohydrate • E3.Membrane transport:small molecules • E4.Membrane transport:macromolecules • E5.Signal transduction E Membranes
E1 Membrane lipids Membranes Membrane lipids Fatty acid chains Lipid bilayer Membrane fluidity Fluid mosaic model of membrane structure
Membranes Membrane lipids Fatty acid chains Lipid bilayer Membrane fluidity Fluid mosaic model of membrane structure E1 Membrane lipids
Membrane Membranes form boundaries around the cell and around distinct subcellular compartments. They act as selectively permeable barriers and are involved in signaling processes. All membranes contain varying amounts of lipid and protein and some contain small amounts of carbohydrate
Membrane • Membranes form boundaries around the cell and around distinct subcellular compartments. • They act as selectively permeable barriers and are involved in signaling processes. • All membranes contain varying amounts of lipid and protein and some contain small amounts of carbohydrate
Membrane 272 Outer face Phospholipid Fatty acyl Carbohydrate moiety Cholesterol Inner face
Membrane
Membrane lipids Three major classes of lipids 1. The glycerophospholipids,甘油磷脂 2. The sphingolipids鞘脂 3. The sterols胆固醇
Membrane lipids Three major classes of lipids: 1. The glycerophospholipids,甘油磷脂 2. The sphingolipids鞘脂 3. The sterols胆固醇