Which of the following are not polymeric?

Lipids are the important component of cell membrane. It is a triglyceride of fatty acid. It is not a polymeric chain of monomers. Nucleic acids are the polymeric chain of nucleotides. Proteins are polymeric chains of amino acids where the amino acids are linked together by peptide bonds. Polysaccharides are large molecules which are formed by the linkage of monomers. So, the correct answer is Lipids.