hela g-63 cells irradiated by 5 krads of 60 co-gamma-rays during their g1-period pass through the s-period of the same interphase just as do non-irradiated cells : the kinetics of labeled cells upon a 30 min incubation with 3h-tdr ( radioautography ) is the same for both irradiated and non-irradiated cell populations ;
C0080129
s-period
C0007634
cell