Which of the Following Statements About Hfr Cells and Bacterial

question 15

Multiple Choice

Which of the following statements about Hfr cells and bacterial conjugation is false?

• A)Insertion sequences (IS)are present in both the F plasmid and the bacterial chromosome.
• B)IS elements are transposable elements.
• C)Insertion of the F plasmid into the bacterial chromosome to produce an Hfr cell causes the loss of an equivalent portion of the chromosome.
• D)Hfr cells can transfer the whole chromosome in about 90 minutes.
• E)The number of bacterial genes that are transferred into the recipient cell depends on how long the conjugation bridge is maintained.

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Definitions:

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