Final answer:
Circular plasmid DNA replication involves initiation, elongation, and termination. The process begins with the nicking of one strand, followed by replication using the other strand as a template. Once replication is complete, the circular chromosomes are separated from each other.
Step-by-step explanation:
In circular plasmid DNA replication, the process can be divided into three main steps: initiation, elongation, and termination. Initiation starts with the nicking of one strand of the circular molecule, followed by DNA replication using the other strand as a template. Elongation involves the replication of the DNA as it moves in one direction. Termination occurs when the complete chromosome has been replicated and the circular genomes are separated from each other.