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Questions and Answers
What is the term used for plasmids that confer pathogenicity?
What is the term used for plasmids that confer pathogenicity?
- Killer plasmids
- Virulence plasmids (correct)
- F plasmids
- R plasmids
What is the function of Hfr cells in bacterial conjugation?
What is the function of Hfr cells in bacterial conjugation?
- To kill other bacteria
- To metabolize unusual molecules
- To integrate F plasmid into the bacterial chromosome (correct)
- To transfer resistance to antibiotics
Which type of plasmid synthesizes toxins that kill other bacteria?
Which type of plasmid synthesizes toxins that kill other bacteria?
- R plasmids
- Killer plasmids (correct)
- Virulence plasmids
- F plasmids
What distinguishes Hfr cells from other bacterial cells during conjugation?
What distinguishes Hfr cells from other bacterial cells during conjugation?
Which plasmid type allows bacteria to utilize persistent organic compounds like toxins and synthetic compounds?
Which plasmid type allows bacteria to utilize persistent organic compounds like toxins and synthetic compounds?
In bacterial conjugation, what is the main function of F plasmids?
In bacterial conjugation, what is the main function of F plasmids?
What is the key characteristic of lysogenic bacteriophages?
What is the key characteristic of lysogenic bacteriophages?
During the lytic cycle, what is the first step that occurs after the phage adsorbs to the bacterial surface?
During the lytic cycle, what is the first step that occurs after the phage adsorbs to the bacterial surface?
What is a common property of lysogens that makes them immune to reinfection by a phage?
What is a common property of lysogens that makes them immune to reinfection by a phage?
What is the main genetic element defined as the genome of the bacterium Escherichia coli str.K-12 substr.MG1655?
What is the main genetic element defined as the genome of the bacterium Escherichia coli str.K-12 substr.MG1655?
What type of bacteria lacks certain organelles such as mitochondria and chloroplasts?
What type of bacteria lacks certain organelles such as mitochondria and chloroplasts?
In the lysogenic cycle, what happens to a bacterium containing a complete set of phage genes?
In the lysogenic cycle, what happens to a bacterium containing a complete set of phage genes?
Which bacterium causes food poisoning and is extensively studied in relation to bacteriophages?
Which bacterium causes food poisoning and is extensively studied in relation to bacteriophages?
What distinguishes temperate phages from virulent phages?
What distinguishes temperate phages from virulent phages?
What happens during induction in lysogens?
What happens during induction in lysogens?
What are the genetic elements found in bacteria based on the provided text?
What are the genetic elements found in bacteria based on the provided text?
Which of the following bacterial characteristics is associated with a lack of nuclear membrane and certain organelles?
Which of the following bacterial characteristics is associated with a lack of nuclear membrane and certain organelles?
What is the size of the genome of Escherichia coli K-12 substr.MG1655 in bases according to the text?
What is the size of the genome of Escherichia coli K-12 substr.MG1655 in bases according to the text?
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