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The correct answer is e - monosaccharides with steroids. Amino acids are the building blocks of polypeptides and one or more polypeptides create a protein. Fatty acids are the building blocks of lipids, which are long hydrocarbon chains that are insoluble. Nucleotides are the building blocks for both DNA and RNA. However monosaccharides are the building blocks of sugars, whereas steroids are a type of lipid.
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