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.
Grijalva is a U.S. Representative for Arizona. 1  Recent news of Aetnaâs departure from most Affordable Care Act marketplaces sent shockwaves throughout our country. One of the places the impact was felt most strongly was my home state of Arizona, where nearly 10,000 people in Pinal county may be left without a single marketplace plan.