COLD SPRING HARBOR, N.Y. (Nov. 30, 2010) --The nucleus of a cell contains its DNA and is the site where DNA replication, transcription, and RNA processing take place. Within the nucleus, nuclear ...

Different as the cells from animals, plants, fungi and protozoa can be, they all share one prominent feature: a nucleus. They have other organelles, too, like the energy-producing mitochondria, but ...