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).
... which slicked the hair and covered the ears with curls. Flappers did away with their corsets and pantaloons[?] in favor of "step-in" panties. They also wrapped cloth ...