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Sourav Pan
07 Dec 2024

What is the hallmark of all horizontal gene transfers? A) Transfer of DNA using a virus B) The use of plasmids C) Transfer of DNA between organisms of the same generation D) Transfer of DNA from parent to offspring

What is the hallmark of all horizontal gene transfers? A) Transfer of DNA using a virus B) The use of plasmids C) Transfer of DNA between organisms of the same generation D) Transfer of DNA from parent to offspring

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

Which statement about conjugation is false? A) Conjugation involves transfer of DNA from one cell to another. B) The recipient cell becomes a donor after conjugation. C) Conjugation is a process of bacterial reproduction.

Which statement about conjugation is false? A) Conjugation involves transfer of DNA from one cell to another. B) The recipient cell becomes a donor after conjugation. C) Conjugation is a process of bacterial reproduction.

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

Bacterial conjugation is often referred to as bacterial sex. Why is this term inaccurate? B) Bacteria are neither male nor female. C) Sex is a phenomenon only seen in animals. D) Conjugation does not result in the formation of new offspring.

Bacterial conjugation is often referred to as bacterial sex. Why is this term inaccurate? B) Bacteria are neither male nor female. C) Sex is a phenomenon only seen in animals. D) Conjugation does not result in the formation of new offspring.

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

What must occur for bacterial conjugation to take place? A) The cells must transfer RNA. B) One of the cells must be E. coli. C) The cells must come into contact with each other. D) Each cell must contain a plasmid.

What must occur for bacterial conjugation to take place? A) The cells must transfer RNA. B) One of the cells must be E. coli. C) The cells must come into contact with each other. D) Each cell must contain a plasmid.

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Sourav Pan
07 Dec 2024

Which of the following is a characteristic of an F+ cell? A) Presence of a fertility factor B) Ability to synthesize sex pili, presence of a fertility factor, and ability to mate with an F- cell. C) Ability to mate with an F- cell D) Ability to synthesize sex pili

Which of the following is a characteristic of an F+ cell? A) Presence of a fertility factor B) Ability to synthesize sex pili, presence of a fertility factor, and ability to mate with an F- cell. C) Ability to mate with an F- cell D) Ability to synthesize sex pili

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

What benefit does the F- strain receive from mating with an Hfr strain? A) It picks up a fertility factor. B) It can now produce sex pili. C) It acquires new, potentially beneficial genes from the Hfr strain. D) It becomes an F+ cell.

What benefit does the F- strain receive from mating with an Hfr strain? A) It picks up a fertility factor. B) It can now produce sex pili. C) It acquires new, potentially beneficial genes from the Hfr strain. D) It becomes an F+ cell.

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Sourav Pan
07 Dec 2024

How does an F+ cell differ from an Hfr cell? A) Hfr cells cannot perform conjugation. B) Hfr strains have the F plasmid integrated into the chromosome. C) Hfr strains can no longer reproduce. D) F+ cells have no plasmids.

How does an F+ cell differ from an Hfr cell? A) Hfr cells cannot perform conjugation. B) Hfr strains have the F plasmid integrated into the chromosome. C) Hfr strains can no longer reproduce. D) F+ cells have no plasmids.

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Sourav Pan
07 Dec 2024

Why does conjugation between an Hfr strain and an F-strain not result in two Hfr strains? A) Conjugation is typically disrupted before the fertility factor can be transferred. B) The cell membranes between the two strains never fuse together. C) Hfr strains lack fertility factor. D) The transferred genes typically recombine with the recipient chromosome.

Why does conjugation between an Hfr strain and an F-strain not result in two Hfr strains? A) Conjugation is typically disrupted before the fertility factor can be transferred. B) The cell membranes between the two strains never fuse together. C) Hfr strains lack fertility factor. D) The transferred genes typically recombine with the recipient chromosome.

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

Which of the following is an example of horizontal gene transfer in bacteria? A) Transformation B) Conjugation and transformation C) Conjugation D) Transduction E) Transduction, conjugation, and transformation

Which of the following is an example of horizontal gene transfer in bacteria? A) Transformation B) Conjugation and transformation C) Conjugation D) Transduction E) Transduction, conjugation, and transformation

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Avatar for Sourav Pan
Sourav Pan
07 Dec 2024

What is unique about transduction compared to normal bacteriophage infection? A) Transduction transfers DNA from the chromosome of one cell to another. B) The bacteriophage does not erupt from an infected cell during transduction. C) The bacteriophage takes fragments of the cell with it during transduction.

What is unique about transduction compared to normal bacteriophage infection? A) Transduction transfers DNA from the chromosome of one cell to another. B) The bacteriophage does not erupt from an infected cell during transduction. C) The bacteriophage takes fragments of the cell with it during transduction.

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