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  2. Lipid - Wikipedia

    en.wikipedia.org/wiki/Lipid

    Lipids are a broad group of organic compounds which include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids, and others. The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.

  3. Lipid metabolism - Wikipedia

    en.wikipedia.org/wiki/Lipid_metabolism

    Lipid metabolism is the synthesis and degradation of lipids in cells, ... Their function is to produce energy during periods of starvation or low food intake. [6]

  4. Membrane lipid - Wikipedia

    en.wikipedia.org/wiki/Membrane_lipid

    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 ...

  5. Biological membrane - Wikipedia

    en.wikipedia.org/wiki/Biological_membrane

    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.

  6. Cholesterol signaling - Wikipedia

    en.wikipedia.org/wiki/Cholesterol_signaling

    Lipid rafts are loosely defined as clusters of cholesterol and saturated lipids forming regions of lipid heterogeneity in cellular membranes (e.g., the ganglioside GM1). The association of proteins to lipid rafts is cholesterol dependent and regulates the proteins' function (e.g., substrate presentation).

  7. Low-density lipoprotein - Wikipedia

    en.wikipedia.org/wiki/Low-density_lipoprotein

    The lipids carried include all fat molecules with cholesterol, phospholipids, and triglycerides dominant; amounts of each vary considerably. [ 5 ] A good clinical interpretation of blood lipid levels is that high LDL, in combination with a high amount of triglycerides, which indicates a high likelihood of the LDL being oxidised, is associated ...

  8. Lipoprotein - Wikipedia

    en.wikipedia.org/wiki/Lipoprotein

    A lipoprotein is a biochemical assembly whose primary function is to transport hydrophobic lipid (also known as fat) molecules in water, as in blood plasma or other extracellular fluids. They consist of a triglyceride and cholesterol center, surrounded by a phospholipid outer shell, with the hydrophilic portions oriented outward toward the ...

  9. Neutral fat - Wikipedia

    en.wikipedia.org/wiki/Neutral_fat

    Neutral fats, also known as true fats, are simple lipids that are produced by the dehydration synthesis of one or more fatty acids with an alcohol like glycerol. Neutral fats are also known as triacylglycerols, [1] these lipids are dense as well as hydrophobic due to their long carbon chain and are there main function is to store energy ...

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