parallel experimentation with rat liver cells-synchronized in vivo by partial hepatectomy and analyzed by thin section autoradiography -- confirms the existence of a peripheral labeling pattern in both the very early part and the very late part of s phase , which reconciles our data with previous results and points to the fact that both initiation and termination sites for dna replication are near the nuclear periphery .
C0007634
cells
C0080129
s phase