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Questions and Answers
What is the term used to describe the process when a recombinant DNA is inserted within the coding sequence of an enzyme, resulting in the inactivation of the gene for synthesis of this enzyme?
What is the term used to describe the process when a recombinant DNA is inserted within the coding sequence of an enzyme, resulting in the inactivation of the gene for synthesis of this enzyme?
- Gene inactivation
- Chromogenic transformation
- Insertional inactivation (correct)
- Recombinant transformation
In the presence of a chromogenic substrate, what color do colonies produce if the plasmid in the bacteria does not have an insert?
In the presence of a chromogenic substrate, what color do colonies produce if the plasmid in the bacteria does not have an insert?
- Green
- Yellow
- Blue (correct)
- Red
Which pathogen has the ability to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into a tumor?
Which pathogen has the ability to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into a tumor?
- Bacillus anthracis
- Streptococcus pyogenes
- Agrobacterium tumifaciens (correct)
- Escherichia coli
How do recombinant colonies differ from non-recombinant colonies when a chromogenic substrate is present?
How do recombinant colonies differ from non-recombinant colonies when a chromogenic substrate is present?
What is the term used to describe the ability of retroviruses in animals to transform normal cells into cancerous cells?
What is the term used to describe the ability of retroviruses in animals to transform normal cells into cancerous cells?
Which gene transfer method forces eukaryotic cells to do what the bacteria or viruses want?
Which gene transfer method forces eukaryotic cells to do what the bacteria or viruses want?
What piece of DNA is delivered by Agrobacterium tumifaciens to transform normal plant cells into a tumor?
What piece of DNA is delivered by Agrobacterium tumifaciens to transform normal plant cells into a tumor?
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