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Recombinant DNA: Quiz


Question 1: Plasmids are extrachromosomal self-replicating circular forms of DNA present in most bacteria, such as ________ (E.
Pseudomonas aeruginosaEscherichia coliPathogenic bacteriaHelicobacter pylori

Question 2: The specific gene sequence, or oligonucleotide, that codes for insulin production in humans was introduced to a sample colony of ________ (the bacteria found in the human intestine).
Escherichia coliPathogenic bacteriaHelicobacter pyloriPseudomonas aeruginosa

Question 3: [1] Most ________ do not maintain canonical plasmids; yeast is a notable exception.

Question 4: When recombinant DNA is then further altered or changed to host additional strands of DNA, the molecule formed is referred to as "chimeric" DNA molecule,[1] with reference to the ________ chimera, which consisted as a composite of several animals.
Religion and mythologyGreek mythologyMyth and ritualMythology

Question 5: Other methods of introducing or creating recombinant DNA in eukaryotes include ________ and transfection with modified viruses.
Homologous recombinationBacteriaMeiosisDNA repair

Question 6: ________ concluded: "The first bug-built drug for human use may turn out to be a commercial flop.
The Big IssueProspect (magazine)The EconomistPrivate Eye

Question 7: [4] In addition, the Ti plasmid of the bacterium ________ can be used to integrate foreign DNA into the genomes of many plants.
BacteriaAgrobacterium tumefaciensGeneSignal transduction

Question 8: Recombinant DNA is a form of ________ that does not exist naturally, which is created by combining DNA sequences that would not normally occur together.


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