Which of the Following Statements About Bacterial Conjugation Is False

Which of the following statements about bacterial conjugation is false?

A) F⁺ cells have an F plasmid;F^- cells do not.
B) Rolling circle replication of the F plasmid produces a double-stranded copy of the plasmid.
C) The replicated plasmid passes through a conjugation bridge called a pilus.
D) A cell with an F plasmid integrated into its main chromosome is called an Hfr cell.
E) The F plasmid contains an origin of replication and genes that control transfer.