The fatty acids used to build the molecule shown in the question. Concept introduction: Fatty acid is a carboxylic acid having a long aliphatic chain. Fatty acids can be either saturated fatty acids or unsaturated fatty acids. Unsaturated fatty acids have one or more C=C double bonds and saturated fatty acids have no C=C double bonds present. Fatty acids are important structural components for a cell. </SUMMARY-INTRODUCTION> Pictorial representation: The signaling molecule formed by the palmitic acid and stearic acid is given in Fig.1. Fig. 1 : Signaling molecule formed by the palmitic acid and stearic acid The chemical formula of palmitic acid is CH 3 (CH 2 ) 14 COOH. The chemical formula of stearic acid is CH 3 (CH 2 ) 16 COOH. The fatty acid used to synthesize the given molecule in Fig.1 is palmitate that has esterified to12 hydroxy stearate. Both palmitate and stearate are saturated fatty acids.

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