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).
Definition of shift for Students. 1  1 : a change in place, position, or direction a shift in the wind. 2  2 : a change in emphasis or attitude a shift in priorities. 3  3 : a group of workers who work together during a scheduled period of time.  4 : the scheduled period of time during which one group of workers is 1  working. 5 : gearshift.