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.
Smyrna, South Carolina. Smyrna is a small town in York and Cherokee counties in the U.S. state of South Carolina. The population was 45 at the 2010 United States Census, making Smyrna the smallest town in South Carolina. Contents.