nucleotide

The individual monomers of a nucleic acid. DNA is made up of adenine, cytosine, guanine, and thymine (A, C, G, T). RNA is made up of adenine, cytosine, guanine, and uracil (A, C, G, U). These molecules are fairly complex, consisting of a nitrogenous base plus a sugar-phosphate backbone.

Course: SCI103