In bacterial genetics, a closed circle of double-stranded DNA that contains the genetic material of the cell and is attached to the cell membrane;
(In bacterial genetics, a closed circle of double-stranded DNA; contains; the genetic material of the cell) (In bacterial genetics, a closed circle of double-stranded DNA; is attached; )
In bacterial genetics, a closed circle of double-stranded DNA In bacterial genetics, a closed circle of double-stranded DNA
contains is attached
the genetic material of the cell