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By the mechanisms are F- cells convertrd to F+ cells , F+cells to HFr cells to F+ cells |
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Answer» ong>Answer: What causes an F CELL to be converted to HFR? What causes an F- cell to be converted to Hfr in the presence of F+ cells? The F- cell must first receive an F FACTOR PLASMID by conjugation with an F+ cell. Once INSIDE the recipient cell, the F plasmid can integrate into the bacterial chromosome, converting the cell to Hfr |
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