«In this study, we concentrated on amino acids as these have many important roles for example as building blocks of protein, as a source of energy and antioxidants. (sciencedaily.com)
amino acids Simple molecules that occur naturally in plant and animal tissues and that are the basic building blocks of proteins. (sciencenewsforstudents.org)
Genes, made up of strings of nucleic acids — As, Gs, Cs, and Ts — tell cellular machines how to string together the 20 different amino acid building blocks of proteins. (sciencemag.org)