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.
Greer County, Oklahoma. Greer County is a county located along the southwest border of the U.S. state of Oklahoma. As of the 2010 census, the population was 6,239. Its county seat is Mangum. From 1860 to 1896, the state of Texas claimed an area known as Greer County, Texas, which included present-day Greer County along with neighboring areas.