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).
The climate of Egypt is characterized by a hot season from May to October and a cool season from October to May. Extreme temperatures during both seasons are moderated by the prevailing northern winds. -In the coastal region average annual temperatures range from a maximum of 37Â° C (99Â° F) to a minimum of 14Â° C (57Â° F).