are phospholipids made in the body?
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Phospholipids are amphiphilic molecules with hydrophobic fatty acid chains and hydrophilic moieties. They occur naturally in all living organisms as the major components of cell membranes. ... Phospholipids are beneficial for human health. They are currently produced in the form of lecithin.
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Phospholipids. Phospholipids, arranged in a bilayer, make up the basic fabric of the plasma membrane. They are well-suited for this role because they are amphipathic, meaning that they have both hydrophilic and hydrophobic regions. Chemical structure of a phospholipid, showing the hydrophilic head and hydrophobic tails ...
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They can be found in many parts of a human: cell membranes, cholesterol, blood cells, and in the brain, to name a few ways the body uses them. Lipids are important for cell membrane structure, regulating metabolism and reproduction, the stress response, brain function, and nutrition.
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In general, phospholipids are composed of a phosphate group, two alcohols, and one or two fatty acids. On one end of the molecule are the phosphate group and one alcohol; this end is polar, i.e., has an electric charge, and is attracted to water (hydrophilic).
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Phospholipid Structure Phospholipids are able to form cell membranes because the phosphate group head is hydrophilic (water-loving) while the fatty acid tails are hydrophobic (water-hating). ... This double layer, called a lipid bilayer, forms the main part of the cell membrane.
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Phospholipids are ubiquitous in nature and are essential for the lipid bilayer of cell membranes. Their structural and function- al properties are pivotal for the survival of the cell. Although phospholipids are present in almost all foods, egg, soybeans, milk, and other dairy products are especially good sources.
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As phospholipids are an essential part of biological membranes, phospholipids can be extracted from all kinds of living plants or animals. The major phospholipids originated from animals are eggs, meats, fishes and milk. Among them, chicken whole eggs contain the highest proportion of phospholipids about 35 g/kg.
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Phospholipids are major components of the plasma membrane, the outermost layer of animal cells. Like fats, they are composed of fatty acid chains attached to a glycerol backbone.
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Phospholipids are components of cell membranes. Phosphatidylethanolamine is found primarily in the inner leaflet of membranes. Modify the molecule below by replacing the "X" to show a phosphatidylethanolamine. You may need to add or remove atoms or bonds.
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Phospholipids are made up of two fatty acids (long chains of hydrogen and carbon molecules), which are attached to a glycerol 'head. ' The glycerol molecule is also attached to a phosphate group, and this is the hydrophilic part of the molecule.
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Phospholipids are esters of glycerol with two carboxylic acid residue and one phosphate group. Hence, phospholipids may be regarded as derivative of glycerol in which two hydroxyl group are esterified with fatty acid, while third is esterified with phosphoric acid.
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Lipids include fats (solid at room temperature) and oils (liquid at room temperature). Lipids are an important part of a healthy diet. The body uses lipids as an energy store, as insulation and to make cell membranes.
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While initially cholesterol and phospholipids are obtained from the liver and intestine, HDL also acquires lipid from other tissues and from other lipoproteins. Muscle cells, adipocytes, and other tissues express ABCA1 and are able to transfer cholesterol and phospholipids to lipid poor Apo A-I particles.
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SUMMARY. Bulk membrane lipid biogenesis in primary cells largely occurs in the endomembrane compartment, which includes the domains of the ER and Golgi apparatus. Specialized phospholipids are synthesized in mitochondria or perosixomes.
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Phospholipids are major components of the plasma membrane, the outermost layer of animal cells. A cell's plasma membrane contain proteins and other lipids (such as cholesterol) within the phospholipid bilayer.
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Phospholipids, the principal components of cell membranes, consist of two fatty acids joined to a polar head group (Figure 2.7). In the glycerol phospholipids, the two fatty acids are bound to carbon atoms in glycerol, as in triacylglycerols.
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The biological membranes of cells are created by two sheets of phospholipid, which contain a lipid tail attached to a polar head. ... This makes the phospholipid bilayer an excellent semipermeable membrane that allows cells to keep their contents separated from the environment and other cells.