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.
The community of Gresham, Oregon was established in the mid 1800âs when Powell Valley was named after three pioneer settlers: James Powell and Missouri transplant Jackson Powell, who moved to Oregon in 1852, and Dr. John Parker Powell who moved to Oregon in 1853.