Cells have three main problems if they grow too large. 1. Diffusion is too slow to provide materials to the interior of a cell that is too large. Likewise, diffusion can't adequately take out all the wastes from a cell that is too large.
Guymon, Oklahoma. Guymon is a city in and the county seat of Texas County, Oklahoma. As of the 2010 census, the city population was 11,442, an increase of 6.5 percent from 10,472 in 2000. The 2012 census estimate grew to 11,930.
Bryan County comprises the Durant, OK Micropolitan Statistical Area, which is included in the Dallas-Fort Worth and the Texoma region, TX-OK Combined Statistical Area. It is home to the headquarters of the Choctaw Nation of Oklahoma located in Durant. Bryan County consists of 10 Townships: Albany, Bennington, Bokchito, Brown, Caddo, Calera, Colbert, Kemp, Matoy, and Speairs Townships.