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 uses, see Allen Township, Pennsylvania (disambiguation). East Allen Township is a township in Northampton County, Pennsylvania, United States. East Allen Township is located in the Lehigh Valley region of the state. The population of East Allen Township was 4,903 at the 2010 census.