Conjugation by Which of the Following with an F^- Cell

Question

Conjugation by which of the following with an F^- cell results in a cell that remains F^-? A)F⁺ B)Hfr C)F D)A and C E)B and C

Accepted Answer

The Answer of Conjugation by Which of the Following with an F^- Cell

Conjugation by which of the following with an F- cell results in a cell that remains F-?