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This fluid lipid bilayer cross section is made up entirely of phosphatidylcholine. The three main structures phospholipids form in solution; the liposome (a closed bilayer), the micelle and the bilayer. [1] The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid molecules.
The proteolipid code relies on the concept of a zone, which is a functional region of membrane that is assembled and stabilized with both protein and lipid dependency. Integral and lipid-anchored proteins are proposed to form three types of zones: proteins with an associated lipid fingerprint, [9] protein islands, and lipid-only voids. Although ...
Diagram of a supported bilayer. Unlike a vesicle or a cell membrane in which the lipid bilayer is rolled into an enclosed shell, a supported bilayer is a planar structure sitting on a solid support. Because of this, only the upper face of the bilayer is exposed to free solution.
Membrane lipids are a group of compounds (structurally similar to fats and oils) which form the lipid bilayer of the cell membrane. The three major classes of membrane lipids are phospholipids, glycolipids, and cholesterol. Lipids are amphiphilic: they have one end that is soluble in water ('polar') and an ending that is soluble in fat ...
This image is a derivative work of the following images: Image:Cell_membrane_detailed_diagram_3.svg licensed with Cc-by-sa-3.0 . 2008-06-13T14:41:45Z Dhatfield 1973x1532 (498192 Bytes) {{Information |Description=The cell membrane, also called the plasma membrane or plasmalemma, is a semipermeable lipid bilayer common to all living cells.
Cross-sectional view of the structures that can be formed by phospholipids in an aqueous solution. A biological membrane, biomembrane or cell membrane is a selectively permeable membrane that separates the interior of a cell from the external environment or creates intracellular compartments by serving as a boundary between one part of the cell and another.
Two diagrams, one showing bilayer detail with a monolayer in the third dimension and another showing the bilayer as a 3D 'layer' with filaments, cytoplasm, and clear intracellular / extracellular separation would have improved my comprehension when I was doing biology. Dhatfield 16:55, 12 June 2008 (UTC) Response to technical concerns.
The fatty acid structure is one of the most fundamental categories of biological lipids and is commonly used as a building-block of more structurally complex lipids. The carbon chain, typically between four and 24 carbons long, [ 23 ] may be saturated or unsaturated , and may be attached to functional groups containing oxygen , halogens ...