Interphase: 1  G1 phase: The period prior to the synthesis of DNA. In this phase, the cell increases in mass in preparation for cell division. Note that the G in G1 represents gap and the 1 represents first, so the G1 phase is the first gap phase.â. 2  S phase: The period during which DNA is synthesized.
East Petersburg is a borough in Lancaster County, Pennsylvania, United States. The population was 4,450 at the 2000 census. East Petersburg is located at 40Â°6â²0â³N 76Â°21â²10â³W / 40.1Â°N 76.35278Â°W / 40.1; -76.35278 (40.100079, -76.352649). According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.1 kmÂ²), all of it land.
For other other Pennsylvania townships with similar names, see Springhill Township, Pennsylvania (disambiguation). Springhill Township is a township in Fayette County, Pennsylvania, United States. The population was 2,907 at the 2010 census. The Albert Gallatin Area School District serves the region. Unincorporated communities in the township include Friendship Heights, White House, McKinley Hill, Sprucetown, Nilan, and Gans.