Question 1

Currently,the benefits of transgenic crops include all of the following EXCEPT

Accepted Answer

A)   resistance to insects.
B)   production of human proteins in large quantities.
C)   raising the increased nutritional value of crops.
D)   resistance to viral or fungal diseases.
E)   turning modification of weeds into crops.

Question 2

Humans have only been able to genetically modify agricultural plants and animals since recombinant DNA technology was developed.

Accepted Answer

A) True 
 B)False

Question 3

Before biotechnology was used,the main problem with clotting factor isolated from donated blood was

Accepted Answer

A)   there was too little clotting factor present in each sample.
B)   contamination by HIV.
C)   clotting factor from one individual would not work in another individual.
D)   contamination by bacteria.
E)   the process led to destruction of the factor.

Question 4

Before recombinant DNA techniques became available,human growth hormone was

Accepted Answer

A)   isolated from children who produced excessive amounts of the hormone.
B)   recovered from pituitary glands removed from human cadavers.
C)   recovered from cow blood.
D)   collected from many sources, such as slaughterhouses.
E)   isolated from chicken eggs.

Question 5

Many people with diabetes must take insulin.Most take

Accepted Answer

A)   natural insulin isolated from humans who overproduce the protein.
B)   natural insulin isolated from pigs and cows.
C)   synthetic insulin produced through the use of recombinant DNA technology.
D)   natural insulin produced in plants.
E)   synthetic insulin isolated from transgenic humans.

Question 6

Restriction enzymes

Accepted Answer

A)   are used to extract DNA from human cells.
B)   hold the two strands together in DNA molecules.
C)   help initiate transcription.
D)   cut DNA at specific sites.
E)   splice DNA fragments together.

Question 7

MATCHING
Match the appropriate term to the correct description.
-Rhino mouse

Accepted Answer

A)  An animal or plant that carries a gene from another species
B)  Important source of organs for transplants
C)  An animal model for cancer
D)  Proteins that cut DNA in specific places
E)  Source for the production of human growth hormoneF) Beta-caroteneG) Carrier molecules used in recombinant DNA technologyH) An animal model for immune deficiency disorders

Question 8

Adult stem cells

Accepted Answer

A)   have the same properties as embryonic stem cells.
B)   are pluripotent.
C)   are isolated from developing embryos.
D)   have not been used to treat diseases.
E)   are multipotent.

Question 9

Distinguish between embryonic stem cells and adult stem cells.Make sure to include information on the source of each cell,potential to form different cell types,and their current and potential uses.

Accepted Answer

Embryonic stem cells (ESCs)are isolated ...

Question 10

In the United States,during the period between 1996 and 2006,

Accepted Answer

A)   the use of herbicide tolerant transgenic crops showed the greatest increase.
B)   there was a dramatic decrease in the use of transgenic crops.
C)   the use of insect resistant transgenic crops showed the greatest increase.
D)   the use of some types of transgenic crops increased while the use of others decreased.
E)   the planting of transgenic crops was banned.

Question 11

Which of the following statements is NOT true about transgenic organisms?

Accepted Answer

A)   Transgenic plants carry a gene from another species.
B)   Transgenic organisms can potentially help produce unlimited amounts of specific proteins.
C)   Proteins can be extracted from transgenic organisms for use in treating disease.
D)   Transgenic animals can serve as animal models for human diseases.
E)   The only transgenic organisms produced so far have been plants.

Question 12

What are restriction enzymes,plasmids,and recombinant DNA molecules? Describe the steps involved in the production of recombinant DNA molecules.

Accepted Answer

A restriction enzyme is a protein that c...

Question 13

MATCHING
Match the appropriate term to the correct description.
-Transgenic pigs

Accepted Answer

A)  An animal or plant that carries a gene from another species
B)  Important source of organs for transplants
C)  An animal model for cancer
D)  Proteins that cut DNA in specific places
E)  Source for the production of human growth hormoneF) Beta-caroteneG) Carrier molecules used in recombinant DNA technologyH) An animal model for immune deficiency disorders

Question 14

Stem cells have been used to treat certain leukemias for decades.These stem cells are

Accepted Answer

A)   isolated from donated blood.
B)   pluripotent.
C)   isolated from developing embryos.
D)   capable of becoming many different types of cells.
E)   multipotent.

Question 15

To produce herbicide-resistant transgenic crops,

Accepted Answer

A)   a human gene was inserted into the plant genome.
B)   traditional breeding techniques were used.
C)   proteins were isolated and purified from cows' milk.
D)   a bacterial gene was inserted into the plant genome.
E)   genes from other plants were introduced into the plant genome.

Question 16

Golden rice carries genes which cause it to synthesize

Accepted Answer

A)   beta-carotene.
B)   insulin.
C)   human growth hormone.
D)   vitamin A.
E)   Factor VIII.

Question 17

Transgenic plants have been developed with resistance to herbicides,insects,and viral,bacterial,and fungal diseases.

Accepted Answer

A) True 
 B)False

Question 18

MATCHING
Match the appropriate term to the correct description.
-Restriction enzyme

Accepted Answer

A)  An animal or plant that carries a gene from another species
B)  Important source of organs for transplants
C)  An animal model for cancer
D)  Proteins that cut DNA in specific places
E)  Source for the production of human growth hormoneF) Beta-caroteneG) Carrier molecules used in recombinant DNA technologyH) An animal model for immune deficiency disorders

Question 19

Recombinant DNA is created when DNA from two or more different organisms is joined together.

Accepted Answer

A) True 
 B)False

Question 20

Gene therapy

Accepted Answer

A)   clinical trials have all been successful.
B)   requires the use of embryonic stem cells.
C)   can be accomplished using adult stem cells.
D)   attempts to provide patients with normal copies of mutant genes.
E)   can only to be used to treat cancer patients.

Exam 7: Biotechnology

MATCHING Match the appropriate term to the correct description. -Rhino mouse

Correct AnswerverifiedShow Answer

What are restriction enzymes,plasmids,and recombinant DNA molecules? Describe the steps involved in the production of recombinant DNA molecules.

Correct AnswerverifiedA restriction enzyme is a protein that c...View AnswerShow Answer

Recombinant DNA is created when DNA from two or more different organisms is joined together.

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about transgenic organisms?

Correct AnswerverifiedShow Answer

Transgenic plants have been developed with resistance to herbicides,insects,and viral,bacterial,and fungal diseases.

Correct AnswerverifiedShow Answer

MATCHING Match the appropriate term to the correct description. -Restriction enzyme

Correct AnswerverifiedShow Answer

Many people with diabetes must take insulin.Most take

Correct AnswerverifiedShow Answer

Restriction enzymes

Correct AnswerverifiedShow Answer

Adult stem cells

Correct AnswerverifiedShow Answer

Before biotechnology was used,the main problem with clotting factor isolated from donated blood was

Correct AnswerverifiedShow Answer

To produce herbicide-resistant transgenic crops,

Correct AnswerverifiedShow Answer

Gene therapy

Correct AnswerverifiedShow Answer

Humans have only been able to genetically modify agricultural plants and animals since recombinant DNA technology was developed.

Correct AnswerverifiedShow Answer

Currently,the benefits of transgenic crops include all of the following EXCEPT

Correct AnswerverifiedShow Answer

In the United States,during the period between 1996 and 2006,

Correct AnswerverifiedShow Answer

Stem cells have been used to treat certain leukemias for decades.These stem cells are

Correct AnswerverifiedShow Answer

Distinguish between embryonic stem cells and adult stem cells.Make sure to include information on the source of each cell,potential to form different cell types,and their current and potential uses.

Correct AnswerverifiedEmbryonic stem cells (ESCs)are isolated ...View AnswerShow Answer

MATCHING Match the appropriate term to the correct description. -Transgenic pigs

Correct AnswerverifiedShow Answer

Golden rice carries genes which cause it to synthesize

Correct AnswerverifiedShow Answer

Before recombinant DNA techniques became available,human growth hormone was

Correct AnswerverifiedShow Answer

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A restriction enzyme is a protein that c...
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Embryonic stem cells (ESCs)are isolated ...
View Answer

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