As mentioned, plasmids are double-stranded circular DNA segments. In order to pass through the thin tube that connects the bacteria, one of those circular strands is cut at a certain point by a ...
Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes. Often, the genes carried in plasmids provide bacteria with genetic advantages, such as antibiotic resistance.
As mentioned, plasmids are double-stranded circular DNA segments. In order to pass through the thin tube that connects the bacteria, one of those circular strands is cut at a certain point by a ...