however , when fibroblasts were labeled with 35so4 ( 2- ) , trypsinized to remove extracellular and pericellular radioactive gags , replated , and chased to follow the fate of the intracellular radioactivity , both ws and normal cells showed a rapid release of the intracellular 35s , while hs cells showed little or no loss of intracellular radioactivity .
C0016030
fibroblasts
C0007634
cells