Bacterial cells containing an F-plasmid that has picked up bacterial chromosomal genes is called

Question

BlackTom AI · Accepted Answer

The question asks about a bacterial cell that contains an F-plasmid which has acquired chromosomal genes. 
Option 1: F-prime. This is the correct concept: an F plasmid that has been excised from the chromosome carrying adjacent chromosomal genes, forming an F' (F-prime) plasmid that can transfer those genes to a recipient.
Option 2: F-minus. An F− cell lacks the F plasmid entirely, so it would not carry any F plasmid with extra chromosomal genes; this does not describe the scenario given.
Option 3: Hfr. An Hfr cell has the F factor integrated into the bacterial chromosome, which can transfer chromosomal DNA during conjugation, but it is not an F-plasmid carrying chromosomal genes as a separate plasmid; this distinguishes it from the described F' situation.
Option 4: F-plus. F+ denotes a cell that carries an autonomous, extra-chromosomal F plasmid without chromosomal gene transfer, contrasting with the plasmid that has picked up chromosomal genes; this does not capture the specific F' condition.
In summary, only the F-prime description matches a cell whose F plasmid has picked up and can transfer chromosomal genes, whereas the other options describe different states of the F factor that do not involve a plasmid carrying chromosomal genes as described.

Bacterial cells containing an F-plasmid that has picked up bacterial chromosomal genes is called单项选择题

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