Nucleic acids in a nucleotide
Monosaccharides in polysaccharide
Fatty acids in a diglyceride
Amino acids in a polypeptide
The term nucleic acid is the name for DNA and RNA, members of a family of biopolymers. The sugars and phosphates in nucleic acids are connected to each other in an alternating chain (sugar-phosphate backbone) through phosphodiester linkages.