Question 1

One of the earliest uses of biotechnology was

Accepted Answer

A)  creating transgenic organisms.
B)  creating bacteria that synthesized human insulin.
C)  extracting and using biochemicals from microorganisms.
D)  using yeast to ferment fruit into wine.E) All of the above
F) None of the above

Question 2

One of the science-related concerns associated with the use of genetically modified (GM) foods is that

Accepted Answer

A)  overreliance on GM crops may lead to genetic uniformity.
B)  GM foods are not natural.
C)  genetic modification degrades the nutritional value of food crops.
D)  buffer zones of GM crops halt the pollination of non-GM crops.E) A) and C)
F) B) and C)

Question 3

Transgenic organisms carry the transgene in

Accepted Answer

A)  every cell.
B)  gametes only.
C)  somatic cells only.
D)  the cell in which it was originally introduceD.E) C) and D)
F) A) and B)

Question 4

A drug produced using recombinant DNA technology that is used illegally by athletes is

Accepted Answer

A)  insulin.
B)  streptokinase.
C)  tissue plasminogen activator.
D)  erythropoietin.E) A) and B)
F) A) and C)

Question 5

A gene expression microarray has

Accepted Answer

A)  an entire genome of DNA,cut into hundreds of pieces,attached to a small plastic or glass square.
B)  short pieces of DNA of known sequence attached to a small plastic or glass square.
C)  short pieces of RNA of known sequence attached to a small plastic or glass square.
D)  amino acids attached to a small plastic or glass square.E) C) and D)
F) A) and B)

Question 6

Both gene silencing and genome editing techniques are limited by "off-target effects"-doing something other than what we want them to do.

Accepted Answer

A) True 
 B)False

Question 7

Transgenic farm animals have not gained importance as sources of pharmaceuticals because

Accepted Answer

A)  they are too difficult to maintain.
B)  they are more susceptible to cancer and other diseases.
C)  they produce diluted forms of pharmaceuticals.
D)  they carry multiple viral strains.E) A) and C)
F) All of the above

Question 8

Restriction enzymes are useful in creating recombinant DNA molecules because they

Accepted Answer

A)  generate "sticky ends" by cutting at the same sequence in any DNA source.
B)  are found only in human cells,where they naturally mend broken DNA strands.
C)  are used to encapsulate and transport foreign DNA into cells of the target organism.
D)  stimulate DNA amplification so that the desired cells or their products can be scaled up.E) C) and D)
F) A) and B)

Question 9

A naturally occurring,small,circle of DNA used as a vector to transmit DNA is a

Accepted Answer

A)  plasmid.
B)  prion.
C)  lipofectin.
D)  ring chromosome.E) None of the above
F) All of the above

Question 10

_____,a recombinant clotbusting drug,is used to limit damage to heart muscle by restoring blood flow.

Accepted Answer

A)  Insulin
B)  Tissue plasminogen activator
C)  Interleukin-2
D)  GlucocerebrosidaseE) A) and B)
F) A) and C)

Question 11

Structures used in recombinant DNA technology to carry the DNA from the cells of one species to the cells of another species are

Accepted Answer

A)  cloning vectors.
B)  restriction enzymes.
C)  sticky ends.
D)  donor DNA.E) A) and D)
F) B) and D)

Question 12

Patent law as it pertains to biotechnology has had to change in recent years in response to

Accepted Answer

A)  the changeable nature of the genetic code.
B)  the number of people asking for genetic tests.
C)  the increasing number of human genes.
D)  the greatly accelerated speed of DNA sequencing.E) A) and B)
F) All of the above

Question 13

Using transgenic animal models has its limitations because

Accepted Answer

A)  prokaryotic cells are generally better at producing human proteins.
B)  bacterial pathogens that affect humans do not affect animals.
C)  the level of gene expression is significantly higher in animals.
D)  researchers cannot control where a transgene inserts itself into a genome.E) All of the above
F) B) and C)

Question 14

Courts allow patenting complementary DNA (cDNA) because

Accepted Answer

A)  its exact sequence is not in the genome of an organism.
B)  it cannot be synthesized in a laboratory.
C)  it is present only in adult humans.
D)  it represents only the introns of a gene.E) C) and D)
F) B) and D)

Question 15

Proteins isolated from bacteria and used in recombinant DNA technology to cut DNA at specific sequences are

Accepted Answer

A)  restriction enzymes.
B)  bacteriophage enzymes.
C)  plasmids.
D)  methylating enzymes.E) A) and B)
F) A) and C)

Question 16

_____ is a gene silencing technique that is based on the fact that RNA molecules can fold into short,double-stranded regions where the base sequence is complementary.

Accepted Answer

A)  RNA repair
B)  RNA amplification
C)  RNA replication
D)  RNA interferenceE) A) and D)
F) B) and D)

Question 17

In 2010,a federal judge in the U.S.ruled seven patents on the BRCA1 and BRCA2 genes had been improperly granted.

Accepted Answer

A) True 
 B)False

Question 18

The first patent on a living organism was granted in

Accepted Answer

A)  1790,when the U.S.passed patent law.
B)  1873,for Louis Pasteur's use of yeast.
C)  1900,when Mendel's laws were rediscovered.
D)  1978,when modern biotechnology began with recombinant insulin.E) B) and D)
F) C) and D)

Question 19

Recombinant DNA-based products are slow to reach the marketplace because of

Accepted Answer

A)  the adverse effects of gene cloning.
B)  the lack of technological advances in gene cloning.
C)  the lack of safety involved in such methods.
D)  the cost and duration of research.E) None of the above
F) B) and C)

Question 20

Most of the effort involved in recombinant DNA technology involves

Accepted Answer

A)  identifying and separating cells that contain the gene of interest.
B)  finding a restriction enzyme to cut DNA from a donor cell.
C)  identifying a cloning vector that can hold a gene.
D)  finding uses for recombined DNA.E) B) and D)
F) A) and D)

Exam 19: Genetic Technologies: Patenting, modifying, and Monitoring Dna

Recombinant DNA-based products are slow to reach the marketplace because of

Correct AnswerverifiedShow Answer

Restriction enzymes are useful in creating recombinant DNA molecules because they

Correct AnswerverifiedShow Answer

Most of the effort involved in recombinant DNA technology involves

Correct AnswerverifiedShow Answer

_____,a recombinant clotbusting drug,is used to limit damage to heart muscle by restoring blood flow.

Correct AnswerverifiedShow Answer

A naturally occurring,small,circle of DNA used as a vector to transmit DNA is a

Correct AnswerverifiedShow Answer

Transgenic organisms carry the transgene in

Correct AnswerverifiedShow Answer

Both gene silencing and genome editing techniques are limited by "off-target effects"-doing something other than what we want them to do.

Correct AnswerverifiedShow Answer

_____ is a gene silencing technique that is based on the fact that RNA molecules can fold into short,double-stranded regions where the base sequence is complementary.

Correct AnswerverifiedShow Answer

One of the science-related concerns associated with the use of genetically modified (GM) foods is that

Correct AnswerverifiedShow Answer

Transgenic farm animals have not gained importance as sources of pharmaceuticals because

Correct AnswerverifiedShow Answer

A drug produced using recombinant DNA technology that is used illegally by athletes is

Correct AnswerverifiedShow Answer

One of the earliest uses of biotechnology was

Correct AnswerverifiedShow Answer

Patent law as it pertains to biotechnology has had to change in recent years in response to

Correct AnswerverifiedShow Answer

Using transgenic animal models has its limitations because

Correct AnswerverifiedShow Answer

Courts allow patenting complementary DNA (cDNA) because

Correct AnswerverifiedShow Answer

The first patent on a living organism was granted in

Correct AnswerverifiedShow Answer

Structures used in recombinant DNA technology to carry the DNA from the cells of one species to the cells of another species are

Correct AnswerverifiedShow Answer

A gene expression microarray has

Correct AnswerverifiedShow Answer

In 2010,a federal judge in the U.S.ruled seven patents on the BRCA1 and BRCA2 genes had been improperly granted.

Correct AnswerverifiedShow Answer

Proteins isolated from bacteria and used in recombinant DNA technology to cut DNA at specific sequences are

Correct AnswerverifiedShow Answer

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