Lipids
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25 terms
Terms | Definitions |
|---|---|
 Amphiphilic | a compound containing large organic cation or anion which posses a long unbranched hydrocarbon chain |
| cis fat | carbons having the same direction (boat structure) |
| trans fat | carbons having opposite directions (V structure) |
| essential fatty acids | fatty acids that humans and other animals must injest for good health |
| ester bond | bond formed by the reaction of an acid + alcohol, found in lipid |
| fatty acid | a carboxylic acid with a long hydrocarbon chain, maybe saturated or unsaturated, function: monomers |
| hydrophilic | attracts water molecules |
| hydrophobic | avoids water molecules |
| monounsaturated | containing one double bond per molecule |
| omega 3 | first double bond between carbon 3-4, essentials must be ingested |
| omega 6 | first double bond between carbon 6-7, essentials must be ingested, must have a balance with the omega 3, proportion: 4:1(omega 6/3) too much can cause health problems |
| omega 9 | first double bond between carbon 9-10, non-essential, body can produce it, can promote cancer. |
| saturated fat | fat in which all three fatty acid chains contain the maximum possible number of hydrogen atoms |
| fat | organic compound consisting of a three-carbon backbone (glycerol) attached to three fatty acids |
| unsaturated fat | fat with less than the maximum number of hydrogens in one or more of its fatty acid chains |
| terpene | any of a large group of volatile unsaturated hydrocarbons found in the essential oil of plants, ie, conifers and citrus trees |
| steroid | lipid molecule with four fused carbon rings, function: make hormons |
| waxes | lipids made of a long fatty acid joined to a long alcohol chain, function: waterproof |
| phospholipids | lipids made of two fatty acids and a phosphate group, function: make up cell membranes |
| triglyceride | lipids made by three fatty acids bonded to a glycerol molecule, functions: blockage of blood vessels |
| lipid function | make up cell membranes |
| lipid function | sources of energy |
| lipid function | work as insulating layers |
| lipid function | form poison in many animals |
| lipid function | make hormones |
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