Biology · Microbiology - Bacterial Genetics
Which one of the following is a correct statement about the difference between an F + cell and an Hfr cell?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In an F + cell, the F factor is in the form of an episome, while in an Hfr cell, the F factor is integrated into the bacterial chromosome.✓
- 2In an F + cell, a bacteriophage carries the F factor, while in an Hfr cell, the F factor is an integral part of the bacterial chromosome.
- 3F + and Hfr cells are synonymous.
- 4In an F + cell, the F factor is an integral part of the bacterial chromosome, while in an Hfr cell, the F factor is present as an episome.
Correct answer
In an F + cell, the F factor is in the form of an episome, while in an Hfr cell, the F factor is integrated into the bacterial chromosome.
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