Question 1

Transposons are transposable elements in the DNA because

Accepted Answer

A)  they transport genetic information.
B)  they transfer organelles inside a cell.
C)  they transmit signals in the cell indicating the genes to be copied.
D)  they move from one location to another in the DNA.
E)  they cause the DNA to take on a specific shape or pose.F) A) and B)
G) None of the above D

Question 2

________ uses an electrical field to separate DNA fragments based upon their length.

Accepted Answer

A)  DNA cloning
B)  Polymerase chain reaction
C)  Transgenics
D)  Gel electrophoresis
E)  DNA digestionF) B) and C)
G) A) and B)

Question 3

All of the answer choices listed below are uses for transgenic bacteria,except

Accepted Answer

A)  bioremediation,when bacteria are used to clean up oil spills or other toxic substances.
B)  the production of organic chemicals,such as phenylalanine,used in the production of aspartame.
C)  the production of chemicals toxic to insects that can be used to protect plants from insects.
D)  the production of plants like the pomato.It has a starchy root like the potato and also produces tomatoes on the stem portion of the plant.
E)  the production of human growth hormones.F) A) and D)
G) A) and C)

Question 4

Ex vivo gene therapy is being used to treat patients with Huntington disease,Alzheimer disease,Parkinson disease,and brain tumors.

Accepted Answer

A) True 
 B)False

Question 5

The human genome project discovered many small regions of DNA that vary among individuals called single nucleotide polymorphisms (SNPs) .Certain SNP patterns change an individual's susceptibility to disease and after response to medical treatments.This knowledge has led to the idea

Accepted Answer

A)  of designer drugs that are made to match one specific individual's DNA profile.
B)  of designer babies that have known genetic traits.
C)  that everyone will respond to a drug in the same way.
D)  that not all humans are as well suited for survival.
E)  that some DNA does not code for proteins.F) A) and E)
G) All of the above

Question 6

Why must an engineered DNA polymerase be used in PCR and not the one that occurs naturally?

Accepted Answer

A)  It needs to work at very cold temperatures.
B)  It needs to attach to DNA without a primer.
C)  It must work in the 3' to 5' direction,adding nucleotides to the 5' end.
D)  It must work on single-stranded DNA at high temperatures and attach to a primer.
E)  It must attach without a primer,work in the 3' to 5' direction and function at very cold temperatures.F) A) and B)
G) C) and D)

Question 7

Which of the following terms applies to the study of all of the proteins produced by an organism?

Accepted Answer

A)  genomics
B)  bioinformatics
C)  proteomics
D)  genetic profiling
E)  geneticsF) C) and E)
G) B) and D)

Question 8

Goats and cattle are used in gene pharming because

Accepted Answer

A)  they are the easiest farm animals to clone.
B)  therapeutic and diagnostic proteins are produced in the milk of these animals and can be harvested for use.
C)  the diagnostic and therapeutic proteins produced can be passed to humans who consume their meat.
D)  there are more of these two types of farm animals than other types.
E)  it is easier to create recombinant DNA in these two farm animals than it is in other types.F) A) and C)
G) A) and E)

Question 9

Enzymes from the thermophile organism Thermus aquaticus have allowed the development of which of the following procedures?

Accepted Answer

A)  genetic engineering
B)  recombinant DNA
C)  DNA cloning
D)  polymerase chain reaction
E)  protein synthesisF) A) and B)
G) C) and D)

Question 10

A major difference in the production of transgenic bacteria,plants,and animals is that

Accepted Answer

A)  transgenic bacteria do not pass on their genetic modification to offspring,while plants and animals do.
B)  transgenic animals require the use of host animals to carry the genetically modified embryo,while bacteria and plants do not require this.
C)  transgenic bacteria and plants receive genes from other species of organisms,while animals are only able to incorporate genes from their own species.
D)  transgenic animals are the most useful of the GMOs,while transgenic plants and bacteria are only created to perfect the techniques.
E)  transgenic bacteria,animals,and plants can only incorporate genes from their own species,so the process for each species differs from the process for any other species.F) All of the above
G) D) and E)

Question 11

When creating transgenic organisms,one major difference between plants and animals is that

Accepted Answer

A)  only embryos can be used to create transgenic animals,while any plant cell can be used for transgenic plants.
B)  only eggs can be used to create transgenic animals,while embryos can be used for transgenic plants.
C)  only eggs can be used to create transgenic animals,while any plant cell can be used for transgenic plants.
D)  only embryos can be used to create transgenic animals,while eggs must be used to create transgenic plants.
E)  any cell may be used to create transgenic animals,while embryos can be used for transgenic plants.F) A) and D)
G) C) and E)

Question 12

Transgenic crop plants have been created that do all of the following except

Accepted Answer

A)  grow two kinds of crops,like the pomato which produces both tomatoes and potatoes.
B)  are resistant to insect damage.
C)  are resistant to herbicides.
D)  produce human hormones or antibodies.
E)  transgenic plants have been produced that can do all of the things listed.F) A) and B)
G) B) and E) E

Question 13

When human DNA is inserted into a bacterial plasmid,the resulting bacterium will then

Accepted Answer

A)  produce the products of the gene that has been inserted into the bacteria.
B)  be placed into a vaccine and used to fight off viruses that attack humans.
C)  be used to study the evolutionary relationship between humans and bacteria.
D)  produce restriction enzymes that will help fight off viruses that attack humans.
E)  be used to create DNA to insert the human genome.F) A) and E)
G) B) and D)

Question 14

Which animals have had the bovine growth hormone injected into them in order to produce larger individuals?

Accepted Answer

A)  All of the answer choices are correct.
B)  cows
C)  fish
D)  pigs
E)  sheepF) A) and C)
G) A) and D)

Question 15

A method used to determine if the DNA found at a crime scene belongs to a particular individual is short tandem repeat (STR) .This method employs

Accepted Answer

A)  repeated sequences found at multiple sites in the DNA.
B)  one particular gene found in the individual in question.
C)  fluorescent labeling of DNA found in the mitochondria.
D)  repeated sequences found at one specific site in the DNA.
E)  the repeated segments at the end of chromosomes called telomeres.F) A) and D)
G) C) and D)

Question 16

________ is the application of computer technologies to the study of the genome.

Accepted Answer

A)  Proteomics
B)  Genomics
C)  Bioinformatics
D)  DNA fingerprinting
E)  Genetic profilingF) All of the above
G) B) and D) C

Question 17

Gene pharming is

Accepted Answer

A)  the use of bacterial DNA to impart drug resistance to plants.
B)  the use of transgenic farm animals to produce pharmaceuticals.
C)  the creation of new genes to be implanted in farm animals.
D)  the creation of crop plants to replace the use of farm animals as a source of protein.
E)  the application of genetic principles to breeding farm animals.F) C) and E)
G) A) and E)

Question 18

In DNA fingerprinting the products of PCR are cut by restriction enzymes into unique lengths; these fragments are then

Accepted Answer

A)  subjected to fluorescent dyes and visualized under an electron microscope.
B)  separated according to their relative positive and negative charges.
C)  separated according to the lengths of the fragments.
D)  arranged into a karyotype.
E)  used to produce the genes that give the individual a unique set of fingerprints.F) B) and D)
G) A) and E)

Question 19

Which of the following is NOT a use of DNA fingerprinting?

Accepted Answer

A)  paternity tests
B)  identifying Superbowl footballs
C)  forensic analysis
D)  determining a predisposition to cancer
E)  All of the answer choices are uses of DNA fingerprinting.F) D) and E)
G) C) and D)

Question 20

The molecule DNA ligase that is used to seal the piece of foreign DNA into the vector is

Accepted Answer

A)  created for each specific plasmid.
B)  created for each specific foreign DNA to be inserted.
C)  naturally occurring in humans and is removed from humans and placed in the bacteria to create rDNA.
D)  naturally occurring in both humans and bacteria and functions in DNA replication.
E)  genetically engineered for each experiment.F) A) and C)
G) A) and B)

Exam 26: Biotechnology and Genomics

Transposons are transposable elements in the DNA because

Correct AnswerverifiedD

________ uses an electrical field to separate DNA fragments based upon their length.

Correct AnswerverifiedShow Answer

All of the answer choices listed below are uses for transgenic bacteria,except

Correct AnswerverifiedShow Answer

Ex vivo gene therapy is being used to treat patients with Huntington disease,Alzheimer disease,Parkinson disease,and brain tumors.

Correct AnswerverifiedShow Answer

The human genome project discovered many small regions of DNA that vary among individuals called single nucleotide polymorphisms (SNPs) .Certain SNP patterns change an individual's susceptibility to disease and after response to medical treatments.This knowledge has led to the idea

Correct AnswerverifiedShow Answer

Why must an engineered DNA polymerase be used in PCR and not the one that occurs naturally?

Correct AnswerverifiedShow Answer

Which of the following terms applies to the study of all of the proteins produced by an organism?

Correct AnswerverifiedShow Answer

Goats and cattle are used in gene pharming because

Correct AnswerverifiedShow Answer

Enzymes from the thermophile organism Thermus aquaticus have allowed the development of which of the following procedures?

Correct AnswerverifiedShow Answer

A major difference in the production of transgenic bacteria,plants,and animals is that

Correct AnswerverifiedShow Answer

When creating transgenic organisms,one major difference between plants and animals is that

Correct AnswerverifiedShow Answer

Transgenic crop plants have been created that do all of the following except

Correct AnswerverifiedE

When human DNA is inserted into a bacterial plasmid,the resulting bacterium will then

Correct AnswerverifiedShow Answer

Which animals have had the bovine growth hormone injected into them in order to produce larger individuals?

Correct AnswerverifiedShow Answer

A method used to determine if the DNA found at a crime scene belongs to a particular individual is short tandem repeat (STR) .This method employs

Correct AnswerverifiedShow Answer

________ is the application of computer technologies to the study of the genome.

Correct AnswerverifiedC

Gene pharming is

Correct AnswerverifiedShow Answer

In DNA fingerprinting the products of PCR are cut by restriction enzymes into unique lengths; these fragments are then

Correct AnswerverifiedShow Answer

Which of the following is NOT a use of DNA fingerprinting?

Correct AnswerverifiedShow Answer

The molecule DNA ligase that is used to seal the piece of foreign DNA into the vector is

Correct AnswerverifiedShow Answer

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