To solve this problem, we need to identify which of the given options are not polymeric. Let's analyze each option:$\newline \bullet$Proteins:$\newline$ - Proteins are polymers made up of amino acid monomers linked by peptide bonds.$\newline$ - Therefore, proteins are polymeric.$\newline \bullet$Polysaccharides:$\newline$ - Polysaccharides are polymers consisting of long chains of monosaccharide units.$\newline$ - Therefore, polysaccharides are polymeric.$\newline \bullet$Lipids:$\newline$ - Lipids are not typically considered polymers because they are not made up of repeating monomer units.$\newline$ - They are composed of glycerol and fatty acids, but these components do not form long chains like polymers.$\newline$ - Therefore, lipids are not polymeric.$\newline \bullet$Nucleic acids:$\newline$ - Nucleic acids, such as DNA and RNA, are polymers made up of nucleotide monomers.$\newline$ - Therefore, nucleic acids are polymeric.$\newline$Based on the analysis, the correct answer is Option 3: Lipids, as they are not polymeric.