The cells are EBNA positive(EBNA+) and surface immunoglobulin negative(slg-); The lines carries Epstein-Barr virus(EBV) and contains 60 copies of the EBV genome per cell Tumorigenecity: Isoenzyme: G6PD, BHistopathology: Subculture: Split ratio: Media change: Reverse transcritase: negativeProduction.