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A mixture of lipids is applied to a silica gel column, and the column is then washed with increasingly polar solvents. Arrange the lipids in order of elution by placing the first lipid to elute at the top. See hint for structures of these lipids. Eluted First Eluted Last phosphatidic acid triglyceride sphingosine cholesterol phosphatidyl choline

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compound 42-о-с-f- 0 o →DrTLC , more polar c ar Compounds te lagt curd leys potor compourds eluted Post mat Rke Copounds are eluted lay Eluted Atst cholesterol . Elutted Jat

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