I am really not sure about the causality here - that is whether the following are answers to your question, or are merely results of the circular DNA structure.
One possible answer is that this way the DNA has no telomere sequence and therefore the Haylfick limit does not apply - they can keep on dividing indefinitely.
Also, the rolling cirlce replication of the DNA (which can only occur in a circular molecule) is a simpler mechanism than in eukaryotes.
Sexual processes of bacteria, such as conjugation, also depend on the rolling-cirlce, mentioned above.
prokaryote ?
the DNA of a prokaryote is a long ,circular molecule.the DNA pf a eukaryote ,the nucleus holds the cell's DNA.
DNA in prokaryotes is circular and in the cell itself, while the DNA of eukaryotes is coiled and in the nucleus (organelle) of the cell.
DNA in prokaryotes is circular and in the cell itself, while the DNA of eukaryotes is coiled and in the nucleus (organelle) of the cell.
A prokaryote contains a single circular chromosome in its cytoplasm.
One circular main chromosome and, perhaps, a number ( 1 to 3 ) of circular plasmids.
Prokaryotes have a singluar circular chromosome and eukaryotes have multiple long strands.
Prokaryote mostly contain a single large DNA molecule (circular chromosome) while eukaryotes contain multiple linear chromosomes. Most prokaryote are haploid that means they contain only one copy of each gene.
In prokaryotes, the DNA is circular and not contained in a membrane. In eukaryotic cells, the DNA is in the form of chromatin and reproduces differently, and it is found inside the nucleus (and mitochondria/chloroplasts).
DNA in a prokaryote is typically a single circular chromosome located in the nucleoid region, whereas DNA in a eukaryote is organized into multiple linear chromosomes within a membrane-bound nucleus. Prokaryotic DNA lacks histone proteins and introns, while eukaryotic DNA is associated with histones and contains introns that are removed during RNA processing. Additionally, prokaryotic DNA is not compartmentalized within a nucleus and lacks complex regulatory elements found in eukaryotic DNA.
in the cytoplasm
A single large ring chromosome and many tiny ring plasmids.