DNA and RNA Bases. In DNA, there are four different bases: adenine (A) and guanine (G) are the larger purines. Cytosine (C) and thymine (T) are the smaller pyrimidines.
Gretna is the second-largest city and parish seat of Jefferson Parish, Louisiana, United States. Gretna is on the west bank of the Mississippi River, just east and across the river from uptown New Orleans. It is part of the New Orleans â Metairie â Kenner Metropolitan Statistical Area. The population was 17,736 at the 2010 census.
Gretna Jail Inmate Search. Gretna Jail is low security jail which comes under jurisdiction of city of Gretna, LA. The jail is maintained and operated by officers at Gretna Police department. It is mainly used to temporarily hold new detainees before moving them to nearest county Jail. Usually it houses inmate for short period of time but in some cases it can also house inmates serving less than a year jail term.