High School

We appreciate your visit to Which of the following statements about conjugation is true A Conjugation is mediated by viruses B The F plasmid is an element that is found. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

Which of the following statements about conjugation is true?

A) Conjugation is mediated by viruses.

B) The F plasmid is an element that is found in the chromosome of an F+ cell.

C) F minus bacterial strains are capable of transferring genes to Hfr strains.

D) Conjugation requires direct cell-to-cell contact for genetic transfer.

Answer :

Final answer:

The correct statement regarding conjugation is that it requires direct cell-to-cell contact for genetic transfer, which is mediated by the F plasmid and a structure called the F pilus.

Explanation:

The question pertains to the process of conjugation in bacterial cells, particularly involving the role of the F plasmid. This plasmid, which is often called the fertility factor, enables the transfer of genetic material between bacteria through cell-to-cell contact, facilitated by a structure known as the F pilus. The F+ cells contain the F plasmid while the F- cells do not. During conjugation, an F+ cell can transfer a copy of its F plasmid to an F- cell, making the latter an F+ cell capable of further conjugation. It is important to note that the F plasmid can sometimes integrate into the bacteria's chromosome, creating an Hfr cell. An Hfr cell is capable of transferring chromosomal DNA to an F- cell, which can result in high rates of recombination. The correct answer to the student's question is that conjugation requires direct cell-to-cell contact for genetic transfer.

Thanks for taking the time to read Which of the following statements about conjugation is true A Conjugation is mediated by viruses B The F plasmid is an element that is found. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada