investigation of the binding pattern of basic dye acridine orange and actinomycin d with cell nuclei and the melting profile of chromatin in situ suggests that one of the early events occurring in the course of stimulation of cell proliferation in steady-state culture is chromatin activation , i.e . changes in its physicochemical properties resulting in augmentation of transcription .
C0007610
cell nuclei
C0008546
chromatin