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Glycerophospholipids are formed when a phosphatidic acid (PA) reacts with another compound. The generic structure of PA is shown below, where two fatty acid chains are covalently bound to a glycerol molecule along with a phosphate group. Examples include serine reacting with PA to make phosphatidylserine and choline reacting with PA to make lecithin (phosphatidylcholine). The list of compounds that can react with PA is varied, but they all have one common feature.

Which of the following features must be present in a compound so that it will react with PA to produce a glycerophospholipid?

Jag123. "Phosphatidic Acid." Wikipedia. Wikimedia Foundation, 1 Mar. 2005. Web. 27 June 2016.


The reacting compound must be an L-enantiomer.


The reacting compound must contain an alcohol functional group.


The reacting compound must have six or fewer carbons.


The reacting compound must contain an amine functional group.

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