To get a sense of exactly how long an uncoiled DNA molecule is compared to a typical cell, a cell is magnified 1000 times. At this scale, the total length of all the DNA in the cell's nucleus would be 3 km -- the equivalent distance of the Lincoln Memorial to the capital in Washington, DC.
1 Cairo, Egypt is at 306'N, 3124'E, 75 m (244 ft). See map. 2  According to the Holdridge life zones system of bioclimatic classification Cairo is situated in or near the subtropical desert biome.  The mean annual temperature is 21.4 degrees Celsius (70.5 degrees Fahrenheit).
(Cairo, Egypt) 1  With hot and dry weather all through the year, Cairo and Egypt as a whole really only offers two seasons. Between November and April, the mild winter is one of the most pleasant times of the year to visit Cairo, while the summer climate from May to October and noticeably warmer.