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.
Welcome to East Petersburg Borough, PA! With a population of about 4500, East Petersburg Borough is conveniently located three miles northwest of the city of Lancaster. It sits on the eastern boundary of East Hempfield Township, and the western boundary of Manheim Township, in the Hempfield School District.