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16. Which of the following methods may introduce foreign DNA into a recipient? A) transduction B) conjugation C) transformation D) All of the above 17. F+ strains of Escherichia coli A) have an integrated F factor. B) have the F factor as a plasmid. C) do not have an F factor. D) transfer the F factor to recipient cells at a high frequency. 18. What is the function of the conjugation pilus? A) It contains an F plasmid. o to noll B) It carries the chromosome of F- cells. C) It converts F- cells into F+ cells. D) It pulls the F+ and F- cells together. 19. When a transposon is cut from one location in genome and pasted into a new location, it is called replicative transposition A) True B) False 20. Insertion sequences are bounded by inverted repeats and encode for transposase. A) True B) False 21. The CRISPR system A) recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them. otro lami B) synthesizes gene transfer agents during stationary phase. C) facilitates homologous recombination through a complex system of proteins and clustered repeats. D) repairs DNA and increases DNA damage tolerance during times of stress. 22. The atmosphere of primitive Earth was abundant in sulfur and ozone. [@ A) True B) False 23. The first microorganisms on earth were probably oxygenic phototrophs A) Chemoorganotrophs B) Oxygenic phototrophs C) Chemolithotrophs D) Anoxygenic phototrophs

16. Which of the following methods may introduce foreign DNA into a recipient? A) transduction B) conjugation C) transformation D) All of the above 17. F+ strains of Escherichia coli A) have an integrated F factor. B) have the F factor as a plasmid. C) do not have an F factor. D) transfer the F factor to recipient cells at a high frequency. 18. What is the function of the conjugation pilus? A) It contains an F plasmid. o to noll B) It carries the chromosome of F- cells. C) It converts F- cells into F+ cells. D) It pulls the F+ and F- cells together. 19. When a transposon is cut from one location in genome and pasted into a new location, it is called replicative transposition A) True B) False 20. Insertion sequences are bounded by inverted repeats and encode for transposase. A) True B) False 21. The CRISPR system A) recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them. otro lami B) synthesizes gene transfer agents during stationary phase. C) facilitates homologous recombination through a complex system of proteins and clustered repeats. D) repairs DNA and increases DNA damage tolerance during times of stress. 22. The atmosphere of primitive Earth was abundant in sulfur and ozone. [@ A) True B) False 23. The first microorganisms on earth were probably oxygenic phototrophs A) Chemoorganotrophs B) Oxygenic phototrophs C) Chemolithotrophs D) Anoxygenic phototrophs

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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20 16. Which of the following methods may introduce foreign DNA into a recipient? A) transduction B) conjugation C) transformation D) All of the above 17. F+ strains of Escherichia coli A) have an integrated F factor. B) have the F factor as a plasmid. C) do not have an F factor. D) transfer the F factor to recipient cells at a high frequency. 18. What is the function of the conjugation pilus? A) It contains an F plasmid. B) It carries the chromosome of F- cells. C) It converts F- cells into F+ cells. D) It pulls the F+ and F- cells together. 19. When a transposon is cut from one location in genome and pasted into a new location, it is called replicative transposition A) True B) False (0 20. Insertion sequences are bounded by inverted repeats and encode for transposase. A) True B) False 21. The CRISPR system UM (8 A) recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them. B) synthesizes gene transfer agents during stationary phase. C) facilitates homologous recombination through a complex system of proteins and clustered repeats. D) repairs DNA and increases DNA damage tolerance during times of stress. 22. The atmosphere of primitive Earth was abundant in sulfur and ozone. [@ A) True B) False 23. The first microorganisms on earth were probably oxygenic phototrophs A) Chemoorganotrophs B) Oxygenic phototrophs C) Chemolithotrophs D) Anoxygenic phototrophs
Transcribed Image Text:20 16. Which of the following methods may introduce foreign DNA into a recipient? A) transduction B) conjugation C) transformation D) All of the above 17. F+ strains of Escherichia coli A) have an integrated F factor. B) have the F factor as a plasmid. C) do not have an F factor. D) transfer the F factor to recipient cells at a high frequency. 18. What is the function of the conjugation pilus? A) It contains an F plasmid. B) It carries the chromosome of F- cells. C) It converts F- cells into F+ cells. D) It pulls the F+ and F- cells together. 19. When a transposon is cut from one location in genome and pasted into a new location, it is called replicative transposition A) True B) False (0 20. Insertion sequences are bounded by inverted repeats and encode for transposase. A) True B) False 21. The CRISPR system UM (8 A) recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them. B) synthesizes gene transfer agents during stationary phase. C) facilitates homologous recombination through a complex system of proteins and clustered repeats. D) repairs DNA and increases DNA damage tolerance during times of stress. 22. The atmosphere of primitive Earth was abundant in sulfur and ozone. [@ A) True B) False 23. The first microorganisms on earth were probably oxygenic phototrophs A) Chemoorganotrophs B) Oxygenic phototrophs C) Chemolithotrophs D) Anoxygenic phototrophs
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