Nitrogenous bases are the parts of RNA and DNA that are involved in pairing up (see also base pairs). These include cytosine, guanine, adenine, thymine (DNA) and uracil (RNA).
... – group of ex-soldiers formed in Vichy France. Confrerie Notre-Dame[?] Défense de la France[?] - Group of students of Sorbonne University that begun to produce ...