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Questions and Answers
Why did early attempts to manipulate the genetic properties of cells fail?
Why did early attempts to manipulate the genetic properties of cells fail?
- Cells did not respond to the presence of foreign proteins.
- Most cells were unable to divide rapidly enough.
- Only a limited number of bacterial species could take up DNA spontaneously. (correct)
- Cells rejected foreign DNA due to immune responses.
What is required for foreign DNA to be maintained in a recipient cell?
What is required for foreign DNA to be maintained in a recipient cell?
- It must replicate autonomously or integrate into the recipient genome. (correct)
- It must evade all immune responses.
- It must produce essential proteins.
- It must be protected by viral proteins.
In recombinant DNA technology, what term is used for DNA molecules that can replicate themselves?
In recombinant DNA technology, what term is used for DNA molecules that can replicate themselves?
- Transposons
- Replicons (correct)
- Nucleotides
- Plasmids
What characteristic is essential for vectors used in biotechnology?
What characteristic is essential for vectors used in biotechnology?
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How do restriction enzymes contribute to recombinant DNA technology?
How do restriction enzymes contribute to recombinant DNA technology?
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