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Questions and Answers
Which type of transduction involves the transfer of only genes located near the chromosomal integration site of the bacteriophage?
Which type of transduction involves the transfer of only genes located near the chromosomal integration site of the bacteriophage?
- Non-specific transduction
- Specialized transduction (correct)
- Conjugative transduction
- Generalized transduction
In bacterial transformation, what types of bacteria are known to be capable of transforming?
In bacterial transformation, what types of bacteria are known to be capable of transforming?
- Both Gram-positive and Gram-negative bacteria (correct)
- Gram-positive bacteria only
- Anaerobic bacteria
- Gram-negative bacteria only
Which cells are able to take up naked DNA from the environment in the process of transformation?
Which cells are able to take up naked DNA from the environment in the process of transformation?
- Competent cells (correct)
- Transduced cells
- Non-competent cells
- Conjugated cells
What is the main difference between generalized and specialized transduction?
What is the main difference between generalized and specialized transduction?
During which cycle does specialized transduction occur?
During which cycle does specialized transduction occur?
What limits the number of genes transferred in any one phage capsid during generalized transduction?
What limits the number of genes transferred in any one phage capsid during generalized transduction?
What is the primary mechanism of horizontal gene transfer involving the uptake of naked DNA from the environment?
What is the primary mechanism of horizontal gene transfer involving the uptake of naked DNA from the environment?
In Griffith's Transformation Experiments, what happened when the heat-killed S strain was combined with the live R strain?
In Griffith's Transformation Experiments, what happened when the heat-killed S strain was combined with the live R strain?
Which mechanism of horizontal gene transfer involves the use of a hollow tube called a conjugation pilus to transfer genes between cells?
Which mechanism of horizontal gene transfer involves the use of a hollow tube called a conjugation pilus to transfer genes between cells?
What is the process by which genes are transferred between cells by a virus (bacteriophage)?
What is the process by which genes are transferred between cells by a virus (bacteriophage)?
Which term describes the uptake of naked DNA from the environment by a cell?
Which term describes the uptake of naked DNA from the environment by a cell?
In specialized transduction, what type of genes are packaged into the viral capsid during the transduction process?
In specialized transduction, what type of genes are packaged into the viral capsid during the transduction process?
Which type of mutation results in the addition of one or more nucleotides?
Which type of mutation results in the addition of one or more nucleotides?
What type of mutation involves the movement of a sequence fragment from one place to another?
What type of mutation involves the movement of a sequence fragment from one place to another?
Which class of mutation results in the restoration of a mutated sequence to its original form?
Which class of mutation results in the restoration of a mutated sequence to its original form?
What occurs in a frameshift mutation?
What occurs in a frameshift mutation?
Which type of mutation does not change the amino acid sequence of the translated ORF?
Which type of mutation does not change the amino acid sequence of the translated ORF?
In which type of mutation does a point mutation change an amino acid codon to a stop codon?
In which type of mutation does a point mutation change an amino acid codon to a stop codon?
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