F+ strains of Escherichia coli
A. do not have an F factor.
B. have the F factor as a plasmid.
C. have an integrated F factor.
D. transfer the F factor to recipient cells at a high frequency.
Answer:B
F+ strains of Escherichia coli
A. do not have an F factor. B. have the F factor as a plasmid. C. have an integrated F factor. D. transfer the F factor to recipient cells at a high frequency.