Fig. 12.5  E. coli  Origin of Replication.

Fig. 12.7  E. coli  Initiation of Replication.

Fig. 12.12  Eukaryotic SV40 Initiation of Replication.

Fig. 12.9a  Replication Fork.

Fig. 12.11  E. coli  Replication Fork.

Fig. 12.9b

Fig. 12.9c

Fig. 12.13  Extension of Telomeres by Telomerase Action.