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| acids, benefits of omega 3 fatty acids, 1930, omega 6, fattyacid, plump thighs , chemotherapy / health aspects, 0964253402, menu, cell, fat girls pictures , headache, big plump plumpers galleries , | In gray matter detox cell membranes, the fatty acids in the middle position of phospholipids are composed of carbon chains that are longer and more unsaturated than fatty acids found in the membrane phospholipids of most other cells. Fatty acids that are long and highly unsaturated increase membrane fluidity and functionality, which is why DHA and arachidonic acid are highly concentrated in the phospholipids of neuron synapses. Unsaturated fatty acids are also important for membrane activity detox at the site of hormone receptors. Insulin resistance in adult-onset diabetes is associated with fewer membrane detox long-chain unsaturated fatty acids due to impaired desaturase and elongase enzyme function [*16]. The alcohol portion of a phospholipid protrudes away from the membrane, whereas the two fatty acids jut into the membrane. The middle fatty acid (in the second position) is usually unsaturated (like DHA or arachidonic acid) whereas the end fatty acid (in the first position) is usually saturated (like stearic acid). |
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| with phosphatidylcholine as the major ingredient. Phospholipids in Cell Membranes Different cells have different quantities of phospholipid in their membranes. Gray matter in the brain is nearly 70% phospholipid, whereas brain fattyacid white matter is less than half phospholipid because of high concentrations of glycolipid (sugar-fat). There is much variation in the amounts and kinds of phospholipid in membranes. Brain gray matter is 30% phosphatidylcholine whereas brain white matter is 10% phosphatidylcholine. The inner layer of neuron membranes primarily contain phosphatidylethanolamine & fattyacid phosphatidylserine, whereas in the fattyacid outer layer phosphatidylcholine & sphingomyelin predominate. Mitochondrial and endoplasmic reticulum membranes are both 40% phosphatidylcholine. But mitochondrial membranes are also 35% phosphatidylethanolamine, whereas endoplasmic reticulum membrane is about 17% phosphatidylethanolamine. Cells also vary considerably in the kinds of fatty acids attached to phosphatidic acid. |
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