What is the nature of the phosphate group in phospholipid?

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Deanna HettingerLv2

14 Jan 2019

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Phospholipids contain a glycerol backbone that is attached totwo fatty acid chains through an ester linkage and to a phosphateion through a phosphate ester linkage. An ester linkage is formedby the condensation reaction of the hydroxyl group (?OH) of theglycerol and the carboxylic acid functional group(O || ?C?OH)of a fatty acid. A phosphate ester linkage is formed from thehydroxyl group (?OH) and the phosphate ion. The phosphate ion isthen linked to a polar organic molecule through a phosphate esterlinkage. A phospholipid molecule containing two fatty acid chainsof 12 carbon atoms each having nocarbon-carbon double bonds in thechain and a polar organic group, X, is:

The phospholipid molecule is amphipathic, as it has a polar endand a nonpolar end.

Part A

A certain phospholipid molecule contains two fatty acid chainsof eight carbon atoms each having no carbon-carbon doublebonds in the chain. The phosphate ion is attached to a polarorganic molecule, X, just as highlighted in yellow in the figure inthe introduction.

Complete the structure of the phospholipid molecule using thestructure in the introduction. To include a X group in yourstructure, draw another atom, hover over the atom with the mouse,and then press the X key on your keyboard.

Which of the following is not part of nucleotide structure?
a. 5-carbon sugar
b. Phosphate group
c. Phospholipid

emeraldminnow377

A certain phospholipid molecule contains two fatty acid chains of eight carbon atoms each having no carbon-carbon double bonds in the chain. The phosphate ion is attached to a polar organic molecule, X, just as highlighted in yellow in the figure in the introduction.

Complete the structure of the phospholipid molecule using the structure in the introduction.