Double mutants were used to establish the sequence of gene action in the first biosynthetic pathway. Srb. and Horowitz (1944) crossed a Neurospora strain that could use ornithine or citrulline or arginine by a. strain that could use citrulline or arginine but not ornithine. The double mutant, obtained from a.
Newhall (GNIS FID: 272642) is a populated place LOCATED WITHIN the City of Santa Clarita. In turn, the City of Santa Clarita is located within Los Angeles County. Newhall is located at latitude 34.385 and longitude -118.531. The elevation of Newhall is 1,257 feet above mean sea level. Since Newhall is located within the City of Santa Clarita, all of the census and demographic data for residents of Newhall are included as part of the information reported for City of Santa Clarita in the Data tab above.
Burney is an unincorporated town and census-designated place (CDP) in Shasta County, California, United States. The population was 3,154 at the 2010 census, down from 3,217 at the 2000 census. Burney is located on State Route 299, about 4 miles west of its junction with State Route 89. Burney has several areas for fly fishing, with wild brown and native rainbow trout in many nearby rivers and streams, including Burney Creek. Other attractions in the area include McArthur-Burney Falls Memorial State Park, home to the Burney Falls. Burney was named after Samuel Burney, a settler in the area in the 1850s. Burney was found dead in the valley in 1857, which came to be called the valley where Burney died, and finally just Burney.