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What are lipid rafts? What's their role?

What are lipid rafts? What's their role?

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Answer #1

Lipid rafts are discrete lipid domains present in the external leaflet of the plasma membrane.

Lipid rafts are small highly dynamic ,heterogeneous sterol and spingolipid enriched domain that compartmentalize the cellular process

(The rafts consist of cholesterol, glycosphingolipids, and glycosyl-phosphatidylinositol GPI-anchored proteins, and are insoluble in low concentrations of nonionic detergents.)

Function of lipid rafts

Lipid rafts influence membrane fluidity and membrane protein trafficking, thereby regulating neurotransmission and receptor trafficking.

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