B 2.1 Membranes & membrane transport

Syllabus statements

B2.1.1 Lipid bilayers as the basis of cell membranes

B2.1.2 Lipid bilayers as barriers

B2.1.3 Simple diffusion across membranes

B2.1.4 Integral and peripheral proteins in membranes

B2.1.5 Movement of water molecules across membranes by osmosis and the role of aquaporins

B2.1.6 Channel proteins for facilitated diffusion

B2.1.7 Pump proteins for active transport

B2.1.8 Selectivity in membrane permeability

B2.1.9 Structure and function of glycoproteins and glycolipids

B2.1.10 Fluid mosaic model of membrane structure

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B2.1.11 AHL Relationships between fatty acid composition of lipid bilayers and their fluidity

B2.1.12 AHL Cholesterol and membrane fluidity in animal cells

B2.1.13 AHL Membrane fluidity and the fusion and formation of vesicles

B2.1.14 AHL Gated ion channels in neurons

B2.1.15 AHL Sodium–potassium pumps as an example of exchange transporters

B2.1.16 AHL Sodium-dependent glucose cotransporters as an example of indirect active transport

B2.1.17 AHL Adhesion of cells to form tissues