Question

which molecule is the building block of a nucleic acid? disaccharide fatty acid peptide amino acid glycerol nucleotide

Explanation:

Nucleic acids like DNA and RNA are made up of nucleotides. Nucleotides consist of a sugar, a phosphate group, and a nitrogen - containing base. Disaccharides are sugar units, fatty acids and glycerol are parts of lipids, peptides and amino acids are related to proteins.

Answer:

nucleotide