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A cell membrane defines a boundary between … A cell membrane defines a boundary between a cell and its environment. The primary constituent of a membrane is a phospholipid bilayer that forms in a water-based environment due to the hydrophilic nature of the lipid head and the hydrophobic nature of the two tails. In addition there are other lipids and proteins in the membrane, the latter typically in the form of isolated rafts. Of the numerous models that have been developed to describe the deformation of cell membranes, a widely accepted model is the fluid mosaic model proposed by Singer and Nicolson in 1972. In this model, the cell membrane surface is modeled as a two-dimensional fluid-like lipid bilayer where the lipid molecules can move freely. The proteins are partially or fully embedded in the lipid bilayer. Fully embedded proteins are called integral membrane proteins because they traverse the entire thickness of the lipid bilayer. These communicate information and matter between the interior and the exterior of the cell. Proteins that are only partially embedded in the bilayer are called peripheral membrane proteins. The is a network of proteins below the bilayer that links with the proteins in the lipid membrane.s with the proteins in the lipid membrane.
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https://arxiv.org/abs/0706.0001 +
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8420425
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, http://dbpedia.org/resource/Talin_%28protein%29 +
, http://dbpedia.org/resource/Peripheral_membrane_protein +
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, http://dbpedia.org/resource/Membrane_skeleton +
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, http://dbpedia.org/resource/Liquid_crystal +
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http://dbpedia.org/resource/Category:Membrane_biology +
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| rdfs:comment |
A cell membrane defines a boundary between … A cell membrane defines a boundary between a cell and its environment. The primary constituent of a membrane is a phospholipid bilayer that forms in a water-based environment due to the hydrophilic nature of the lipid head and the hydrophobic nature of the two tails. In addition there are other lipids and proteins in the membrane, the latter typically in the form of isolated rafts.r typically in the form of isolated rafts.
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| rdfs:label |
Elasticity of cell membranes
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