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The term transfecting refers to


A) inserting the gene of interest into the host organism.
B) making GMOs that are sterile.
C) viral DNA becoming part of human DNA.
D) making multiple copies of a small sample of DNA.

E) All of the above
F) None of the above

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An organism that contains altered genes is considered all of the following EXCEPT


A) genetically engineered.
B) polymorphic.
C) a genetically modified organism (GMO) .
D) transgenic.

E) All of the above
F) B) and C)

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Which of the following was successfully used to treat a patient with severe combined immunodeficiency (SCID) ?


A) Gene therapy
B) Insulin
C) Vaccines
D) Growth hormones
E) Bt toxins

F) A) and D)
G) None of the above

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Which of the following applications of biotechnology results in an insect- resistant plant?


A) Bt toxin production by soybeans
B) Herbicide- resistant corn
C) Insulin production by bacteria
D) Banana- based vaccine against pathogenic Escherichia coli
E) Growth- hormone- treated cows

F) All of the above
G) A) and E)

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Provide one example of an agricultural application of biotechnology.

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Possible answers are selective...

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An organism that contains foreign DNA, which was inserted into its own genetic material, is called


A) foreign.
B) transgenic.
C) electrophoresed.
D) polygenic.

E) A) and B)
F) All of the above

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The genetic recombination of caused massive, widespread epidemics that affected the global human population several times in the twentieth century.


A) human and bacterial plasmids
B) HIV and flu viruses
C) bird flu viruses and human flu viruses
D) bacterial and viral plasmids

E) None of the above
F) C) and D)

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In gel electrophoresis, DNA is separated based on charge and .

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Golden Rice was originally developed to provide a source of to people for whom rice is the principal food.

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Recombinant DNA technology


A) involves only changing genes in large mammals.
B) involves combining existing genes from different organisms.
C) will never be of economic importance.
D) randomly creates new genes from free nucleotides.
E) is always dangerous and inevitably leads to mutations and mistakes.

F) A) and B)
G) B) and C)

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How were ancient peoples involved in biotechnology?

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Ancient peoples practiced the ...

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Restriction enzymes have the ability to cut DNA at specific nucleotide sequences.

A) True
B) False

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Which of the following is NOT a use for biotechnology?


A) Producing effective and safe vaccines
B) Altering food plants to increase yields
C) Altering the intelligence levels of newborn infants
D) Identifying human fetuses with particular genetic diseases
E) Producing large quantities of particular human proteins

F) C) and D)
G) A) and B)

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C

Suppose ENZ- 1 and ENZ- 2 are two different restriction enzymes. If various pieces of DNA from different species are cut with these enzymes (as follows) , which would most easily form recombinant molecules?


A) Bacterial DNA cut with ENZ- 1 and bacterial DNA cut with ENZ- 2
B) Human DNA cut with ENZ- 1 and gorilla DNA cut with ENZ- 2
C) Human DNA cut with ENZ- 2 and gorilla cut with ENZ- 2
D) Human DNA cut with ENZ- 1 and human DNA cut with ENZ- 2

E) A) and B)
F) A) and C)

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In 2011, more than 85% of the _ grown in the United States was transgenic.


A) corn (only)
B) soybeans (only)
C) corn, cotton, and soybeans
D) cotton (only)
E) corn and soybeans (only)

F) B) and E)
G) A) and C)

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C

In the 1990s, researchers attempted to improve the balance of amino acids in soybean protein by inserting a gene from Brazil nuts. Which of the following is the best reason as to why the transgenic soybeans have never been grown commercially?


A) Some people were allergic to the protein product of the Brazil nut gene.
B) The public was misinformed by food- safety advocates and refused to buy products made from the modified soybeans.
C) The modified soybeans could not grow with the foreign gene present.
D) Regulatory hurdles made the modified soybeans too expensive to market profitably.

E) All of the above
F) A) and D)

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Which of the following techniques is most commonly used in the prenatal diagnosis of genetic disorders, such as cystic fibrosis, in a human fetus?


A) Chorionic villus sampling
B) Isolation of fetal cells from maternal blood
C) Amniocentesis

D) None of the above
E) A) and B)

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DNA recombination changes the genetic makeup of organisms.

A) True
B) False

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Which of the following results from inserting foreign DNA into an organism to produce a new gene combination?


A) Recombinant DNA
B) Regulatory genes
C) Gene cloning
D) Mutations
E) Translation

F) C) and E)
G) D) and E)

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animals and plants contain DNA inserted in them from another species.

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Transgenic

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