A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...

In addition to their role in nucleic acids, purines are involved in various cellular metabolic processes. Purine nucleotides, such as ATP and GTP, serve as energy carriers and regulators of cellular ...

(Image: Public Domain) Uracil was first discovered in 1900 by the Italian chemist Alberto Ascoli, who isolated it from yeast nucleic acids ... the codon UUU codes for the amino acid phenylalanine. The ...