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. RNA also contains four different bases. Three of these are the same as in DNA: adenine, guanine, and cytosine.
Greer, South Carolina. Greer is a city in Greenville and Spartanburg counties in the U.S. state of South Carolina. The population was 25,515 as of the 2010 census and had risen to an estimated 28,365 as of 2015. Each day, more than three times that number of people pass through the city on the two highways which run through the city.
GREER COUNTY. Located in southwestern Oklahoma, Greer County is bounded by Beckham County on the north, Kiowa County on the east, Jackson County on the south, and Harmon County on the west. Organized from Old Greer County at 1907 statehood, Greer County is named for former Texas Lt. Governor John A. Greer. Mangum is the county seat.