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Questions and Answers
What is the process of transferring DNA from one bacterium to another with the help of a virus known as?
What is the process of transferring DNA from one bacterium to another with the help of a virus known as?
- Conjugation
- Transformation
- Plasmid incorporation
- Transduction (correct)
Which process involves the consumption of DNA fragments from their surroundings and incorporating them into their chromosomes?
Which process involves the consumption of DNA fragments from their surroundings and incorporating them into their chromosomes?
- Viral replication
- Plasmid injection
- Transformation (correct)
- Conjugation
What is the bacterial equivalent of sex called?
What is the bacterial equivalent of sex called?
- Transduction
- Conjugation (correct)
- Viral replication
- Plasmid transfer
What must be present in donor cells during the process of conjugation, but not in the recipient?
What must be present in donor cells during the process of conjugation, but not in the recipient?
Which process requires the activation of several genes expressing the appropriate proteins to acquire competence?
Which process requires the activation of several genes expressing the appropriate proteins to acquire competence?
During transduction, a bacteriophage injects its genetic material into a bacterium, controlling its DNA, RNA, and protein synthesis machinery.
During transduction, a bacteriophage injects its genetic material into a bacterium, controlling its DNA, RNA, and protein synthesis machinery.
Transformation can only occur in bacteria that have entered the stage known as competence.
Transformation can only occur in bacteria that have entered the stage known as competence.
Conjugation involves the transfer of a single strand of DNA from the F-plasmid provided by the donor cell to the recipient.
Conjugation involves the transfer of a single strand of DNA from the F-plasmid provided by the donor cell to the recipient.
Plasmids are large linear DNA molecules usually found in bacteria.
Plasmids are large linear DNA molecules usually found in bacteria.
Bacteria typically convert DNA from other bacteria of different species during transformation.
Bacteria typically convert DNA from other bacteria of different species during transformation.
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Study Notes
Gene Transfer in Bacteria
- Transduction is the process of transferring DNA from one bacterium to another with the help of a virus.
- Transformation involves the consumption of DNA fragments from the surroundings, which are then incorporated into the chromosomes of the bacterium.
- Conjugation is the bacterial equivalent of sex, involving the transfer of genetic material from one bacterium to another.
Conjugation Process
- During conjugation, a single strand of DNA from the F-plasmid is transferred from the donor cell to the recipient.
- The F-plasmid must be present in the donor cells during conjugation, but not in the recipient.
Transformation Process
- Transformation can only occur in bacteria that have entered a state of competence, which requires the activation of several genes expressing the appropriate proteins to acquire competence.
- Bacteria convert DNA from other bacteria of different species during transformation.
Plasmids
- Plasmids are large linear DNA molecules usually found in bacteria.
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