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. RNA also contains four different bases.
The City of Gresham is located within Gresham Division of Multnomah County. Beneath the boundary map are tables with Gresham population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.
Portions of Clackamas County were added to the Portland metropolitan areaâs urban growth boundary in 2002 for the communities of Boring, Damascus, Happy Valley, Oregon City and Wilsonville.