The dimensions of the White House are as follows. The length is 168 feet (51.2 meters). The width is 152 feet with the porticoes. Without the porticoes it is 85 feet 6 inches (26.1 meters). The height is 60 ft 4 inches on the north. On the south it is 70 feet. The fence of the White House covers 18 acres.
A mobility shift assay is electrophoretic separation of a proteinâDNA or proteinâRNA mixture on a polyacrylamide or agarose gel for a short period (about 1.5-2 hr for a 15- to 20-cm gel).
Fluorescence in situ hybridization. A metaphase cell positive for the bcr/abl rearrangement (associated with chronic myelogenous leukemia) using FISH. The chromosomes can be seen in blue. The chromosome that is labeled with green and red spots (upper left) is the one where the rearrangement is present.