Exam 17: Recombinant DNA Technology

If all of the restriction fragments in a DNA digest were of very low molecular weight,then all of the fragments on the electrophoretic gel will be closest to the positive pole and furthest from the negative pole.

Which of the following is not true of cloning vectors?

Plasmid cloning vector DNA is usually introduced into bacterial hosts by

A microbial ecologist who is interested in studying how gene expression is influenced by different species of bacteria in a biofilm would most likely find a metagenomic library more useful than a genomic library.

Which of the following components of PCR ensures amplification of the target DNA sequence only,despite the presence of many other DNA sequences?

Regardless of the exact approach taken to recombinant DNA technology,one of the keys to successful cloning is choosing the right vector.

Which of the following techniques exemplifies phenotypic rescue in a host cell?

Restriction endonucleases in bacteria may have evolved in order to

Which of the following terms is most closely related to genetic complementation?

In _____________,cells are mixed with recombinant DNA and exposed to a brief pulse of high-voltage electricity to cause the membrane to become permeable and allow the uptake of DNA from its environment.