Question

which molecule is the building block of a triglyceride and other lipids? peptide monosaccharide nucleotide fatty acid nitrogenous base disaccharide

Explanation:

Triglycerides and other lipids are composed of fatty acids and glycerol. Fatty acids are the key building - block molecules for these lipids. Peptides are building blocks of proteins, monosaccharides and disaccharides are related to carbohydrates, nucleotides are building blocks of nucleic acids, and nitrogenous bases are part of nucleotides.

Answer:

fatty acid