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.
Veterans Memorial Park, Jewett City, Griswold â Jerry Dougherty. The Pachaug and Quinebaug rivers flow through the town of Griswold, which is located at the northeastern edge of New London County. Long a fishing ground for the Mohegan people, the waterways attracted settlers who established ironworks, saw and corn mills, and other businesses.