Theyeach play different roles in the membrane. Phospholipids contain phosphate The most common type of phospholipid consists of glycerol (propan-1,2,3-triol) linked to two fatty acid chains, phosphate and choline(Figure 2). The fatty acid chains usually contain between 14 and 24carbon atoms.
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Global Information and Early Warning System (GIEWS). Available online at http://www.fao.org/giews/pricetool/. This data represents the best available monthly price information for each country expressed in U.S. dollars per Kg. The FAO data comes from GIEWS. Note that seasonal patterns such as harvest periods may account for some of the variations in prices. Notes about variations in each commodity and location are given below, with source information following each country: