what is the structural formula of lipid?
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http://en.wikipedia.org/wiki/Lipid\n\ntry this site
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a variety of hydrocarbon that has linear bond of 6 carbons and 2 nitrogen. The rest of atom is hydrogen. Its chemical formula is C6H16N2 and the structure is   \nCH3-CH2-NH-CH2-CH2-NH-CH2-CH3
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2. Cell membrane and Plasma membrane.
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Cholesterol \nHigh-density lipoprotein ( HDL )\nLow-density lipoprotein ( LDL )\n\ncollective as Triglycerides
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I assume you mean triacylglycerol. The exact answer depends on the nature of the acyl groups, but it will be glycerol and carboxylic acids.\n\nXC(O)OCH2CH[OC(O)X]CH2OC(O)X + 3H2O = 3XCOOH + HOCH2CHOHCH2OH\n\nIf X = alkyl or alkenyl then you'll get fatty acids, as mentioned in a previous answer.
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Protein along with lipids form a lipoproteinous wall that surrounds the cell which is called plasma-membrane.for details got to below given link:\nhttp://en.wikipedia.org/wiki/Plasma_membrane
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It is a fatlike substance called a phospholipid. It is produced daily by the liver if the diet is adequate. It is needed by every cell in the body and is a key building block of cell membranes; without it, they would harden. Lecithin protects cells from oxidation and largely comprises the protective sheaths surrounding the brain. It is composed mostly of B vitamins, phosphoric acid, choline, linoleic acid and inositol. Although it is a fatty substance, it is also a fat emulsifier. Hence, it supports the circulatory system. Its choline is useful for making acetylcholine.
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All fats are lipids, but not all lipids are fats. There are oils and waxes such as the oil on your skin or the wax on a cucumber. Fat is normally a lipid that is solid at room temperature, whereas an oil is liquid.
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lipids are the same thing as fats... they are used as a last resort for energy
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You will find the formula here ....\nhttp://www.fao.org/docrep/W6355E/w6355e0c.htm
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a phospholipid is a molecule that forms the basis of cell membranes. it is made up of glycerol undergoing condensation reaction with two fatty acids and 1 phosphate group. due to the phosphate group being charged it causes the phospholipid to have a polar and hydrophilic head and it also has a nonpolar and hydrophobic tail that is made up of hydrocarbons. it is the heads that face the inside and outside external environments in the cell membrane and shield the hydrophobic tails
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Lipids are fats, oils and waxes.\nThe seeds of some plant species store mostly carbohydrates, others store lots of lipids. These stores are both for energy to grow (germinate) and to provide materials to grow before photosynthesis takes over.\n\nEverything a plant needs is made from carbon dioxide plus water (during photosynthesis) and soil minerals. As plants make seeds they move carbohydrates and lipids into them.
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A plasma membrane or cell membrane or plasmalemma structured bilayer of phospholipid and protein molecules.\nThe basic composition and structure of the plasma membrane is the same as that of the membranes that surround organelles and other subcellular compartments. The foundation is a phospholipid bilayer, and the membrane as a whole is often described as a fluid mosaic – a two-dimensional fluid of freely diffusing lipids, dotted or embedded with proteins, which may function as channels or transporters across the membrane, or as receptors. \n\n"The model was first proposed by S.J. Singer (1971) as a lipid protein model and extended to include the fluid character in a publication with G.L. Nicolson in "Science" (1972)."
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the steric number = number of atoms attached + number of lone pairs of electrons.  For water, you have 2 H atoms attached to the oxygen + 2 lone pairs.  That makes 4.  \n\n4 is defined as a tetrahedron.  However, 2 of the corners of that tetrohedron are filled with electron pairs, not atoms, so they do not determine the geometric shape, which is bent.
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def C6H14. i'm positive. hope this helps!!!
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The lipid parts have a cation binding site to bind with the negative charges of the DNA.  The final complex is called a liposome.  \n\nIt then carries the DNA into cell and into the nucleus.  You still have to use a bunch of reagents in the process.  This is just from my research background.  The specifics are long.  You can email me for them
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Fats are also called triacylglycerols or lipids;\n\nthe structure is the result of an esterification reaction between one molecule of glycerol ( a tri-hydroxy alcohol ) and three molecules of fatty acid ( long-chain carboxylic acids ):\n\n R-OH + R-COOH --->  R-C(=O)OR + H20\n\nglycerol is H2C(OH)CH(OH)CH2OH;  the fatty acids are typically stearic ( C18H36O2 ) or oleic ( C18H34O2 ) acids.\n\nThe bonds holding the fatty acids to the glycerol part are called ester bonds (-C(=O)-O-C-)