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.
Minnetonka Library. Adjacent to Purgatory Creek and Park, Minnetonka Library sits on land once occupied by the historic Westburg House and Farm in western Minnetonka. Library service to this area of Hennepin County began in the late 1800s, when the library was housed in office space in the Fletcher-Loring Flour Mill at Minnetonka Mills.