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Genetic Modification Techniques Quiz

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Questions and Answers

What is the purpose of using sticky ends in recombinant DNA technology?

To seal the foreign DNA into the plasmid
To repair breaks in the DNA helix
To allow genetically modified bacterial cells to express the cloned gene
To facilitate the insertion of foreign DNA into vector DNA (correct)

Which enzyme seals the foreign piece of DNA into the plasmid during recombinant DNA technology?

DNA polymerase
DNA ligase (correct)
DNA primase
RNA polymerase

What is the role of bacterial cells in recombinant DNA technology?

Insert foreign DNA into vector DNA
Express the cloned gene
Produce clones of the gene (correct)
Repair breaks in the DNA helix

How does recombinant DNA technology benefit humans in insulin production?

By splicing human and plasmid DNA together (D) Signup and view all the answers

What is the function of DNA ligase in DNA replication?

Repairing breaks in a double-stranded helix (A) Signup and view all the answers

In recombinant DNA technology, what happens after genetically modified bacterial cells take up recombinant plasmids?

The gene is cloned (A) Signup and view all the answers

What is the general term for a carrier used to transfer a foreign DNA fragment into a host cell?

Plasmid (A) Signup and view all the answers

Which term refers to the procedure for cleaving DNA from an organism into small segments and inserting the segments into another organism?

Recombinant DNA (C) Signup and view all the answers

In genetic engineering, what are typically used to cut DNA at specific sites?

Restriction enzymes (C) Signup and view all the answers

What is the main benefit of using recombinant DNA technology in agriculture?

Higher yields of oil from canola (B) Signup and view all the answers

Which application of recombinant DNA technology is specifically related to the production of human antibodies?

Studying transgenic animals (D) Signup and view all the answers

What role do plasmids play in recombinant DNA technology?

Transferring foreign DNA into a host cell (D) Signup and view all the answers

What is recombinant DNA?

DNA that contains genes from two or more different sources (A) Signup and view all the answers

Which enzyme is required to seal foreign DNA into an opening in a cut plasmid?

DNA ligase (B) Signup and view all the answers

What is the function of restriction enzymes in recombinant DNA technology?

Cut DNA at specific places (B) Signup and view all the answers

Which of the following is NOT a common vector used in recombinant DNA technology?

Virus (D) Signup and view all the answers

What is the purpose of a vector in recombinant DNA technology?

To act as a carrier for the foreign DNA (A) Signup and view all the answers

What does a transgenic organism refer to?

An organism that has had a gene from another species inserted into its genome (C) Signup and view all the answers

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