analysis of the 35so4-labelled macromolecules synthesized by cultures of normal ) nil8 ) and transformed ( nil8-hsv ) hamster fibroblasts has revealed the following differences between the two cell lines : ( 1 ) the proportion of sulfate incorporated into cell-associated macromolecules is three times higher in normal than in transformed cells .
C0016030
fibroblasts
C0007634
cells