Question 1

Which statement about the tracking of genetically modified ingredients is correct?

Accepted Answer

A)  Modern technology has made the tracking of all ingredients very easy.
B)  Many health problems and even a few deaths have occurred when tracking systems went awry.
C)  Labeling of foods containing GM ingredients is only required under very exceptional circumstances like when there are changes in the nutritional composition of the food
D)  In the US genetically modified crops are segregated from other crops at all phases of food production.E) A) and B)
F) A) and C)

Question 2

One consumer safety concern related to bioengineered foods is

Accepted Answer

A)  the possibility that an allergen could be introduced.
B)  the possibility that altered genes could jump into humans.
C)  the possibility that the Bt gene could cause illness.
D)  the possibility that the plasmid used to transfer genes could cause infection in humans.E) B) and C)
F) C) and D)

Question 3

Antibiotic resistance genes are often used as:

Accepted Answer

A)  allergens
B)  plasmids
C)  marker genes
D)  toxinsE) C) and D)
F) A) and B)

Question 4

Using biotechnology,give some examples of how the quantity and quality of some foods has been enhanced.

Accepted Answer

Crop quantity can be increased by using ...

Question 5

Genetic modification to provide disease resistance was able to save Hawaii's ______ crop from the ring spot virus in 1990.

Accepted Answer

A)  papaya
B)  pineapple
C)  coconut
D)  macadamia nutE) A) and D)
F) A) and B)

Question 6

Soybeans have been modified to contain ________ to help reduce the risk of heart disease.

Accepted Answer

A)  less cholesterol
B)  more folate
C)  more monounsaturated fats
D)  more polyunsaturated fatsE) A) and B)
F) All of the above

Question 7

A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism is

Accepted Answer

A)  cloning.
B)  biotechnology.
C)  nuclear transfer.
D)  Gene doping.E) A) and B)
F) A) and C)

Question 8

How many bases of DNA are needed to code for a single amino acid?

Accepted Answer

A)  2
B)  3
C)  4
D)  20E) C) and D)
F) A) and D)

Question 9

How is genetic engineering being used to make farming more productive?

Accepted Answer

Numerous products have been improved to ...

Question 10

What are the steps used in biotechnology to create a genetically modified plant?

Accepted Answer

Genes are removed from plants or animals...

Question 11

A bacterial enzyme with the ability to cut DNA in a specific location is a

Accepted Answer

A)  restriction enzyme.
B)  plasmid.
C)  recombinant enzyme.
D)  gene fragment.E) A) and C)
F) A) and B)

Question 12

Altering the DNA of a species changes the ____ that a cell makes.

Accepted Answer

A)  proteins
B)  lipids
C)  carbohydrates
D)  vitaminsE) B) and C)
F) All of the above

Question 13

The segments of DNA that determine the characteristics of an organism are

Accepted Answer

A)  bases
B)  RNA
C)  genes
D)  proteinsE) C) and D)
F) None of the above

Question 14

How could the use of GM as illustrated result in foods that may cause harm for consumers?

Accepted Answer

GM foods may result ...

Question 15

Which statement is correct?

Accepted Answer

A)  The genes of different species are completely different,which is why the species are different.
B)  Humans share only a few genes with extremely similar organisms,but share none with dissimilar organisms.
C)  Humans actually share some genes with plants.
D)  Most human genes have equivalents in plants.E) None of the above
F) A) and D)

Question 16

The following statements about selective breeding and genetic modification are true except

Accepted Answer

A)  both are intended to improve traits.
B)  both may result in food that is more nutritious.
C)  both are limited to whether two organisms are capable of cross-breeding.
D)  both may result in plants that can resist disease.E) None of the above
F) B) and D)

Question 17

Biotechnology has been used to improve human health by doing all of the following except:

Accepted Answer

A)  making interferon to stimulate the immune system
B)  making a protein that dissolves blood clots in heart attack victims
C)  making influenza vaccine
D)  modifying bacteria to make insulinE) B) and D)
F) A) and D)

Question 18

Which statement about the genetic modification of plants to provide insect resistance is incorrect?

Accepted Answer

A)  inserting the Bt gene into plants allows them to make their own insecticide.
B)  the Bt gene product is toxic to humans and must be handled carefully.
C)  Bt plants benefit the environment.
D)  the protein from Bt has been used as an insecticide for over 30 years.E) A) and B)
F) None of the above

Question 19

Which statement about hybridization is incorrect?

Accepted Answer

A)  Two related plants are cross-pollinated.
B)  All the offspring have the desired traits.
C)  The offspring have traits from both parents.
D)  Tangelos are hybrids.E) None of the above
F) C) and D)

Question 20

Which statement about the nutrient content of genetically modified foods is true?

Accepted Answer

A)  Genetic modification changes proteins,but no other nutrients in GM foods.
B)  Genetic modification often causes the loss of important nutrients.
C)  Genetic modification only enhances the nutrients in a food.
D)  If the nutrient content of the food has been changed,it must be labeled to disclose the change.E) C) and D)
F) None of the above

Focus on Biotechnology

Antibiotic resistance genes are often used as:

Correct AnswerverifiedShow Answer

How is genetic engineering being used to make farming more productive?

Correct AnswerverifiedNumerous products have been improved to ...View AnswerShow Answer

A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism is

Correct AnswerverifiedShow Answer

The following statements about selective breeding and genetic modification are true except

Correct AnswerverifiedShow Answer

What are the steps used in biotechnology to create a genetically modified plant?

Correct AnswerverifiedGenes are removed from plants or animals...View AnswerShow Answer

How could the use of GM as illustrated result in foods that may cause harm for consumers?

Correct AnswerverifiedGM foods may result ...View AnswerShow Answer

How many bases of DNA are needed to code for a single amino acid?

Correct AnswerverifiedShow Answer

Biotechnology has been used to improve human health by doing all of the following except:

Correct AnswerverifiedShow Answer

Soybeans have been modified to contain ________ to help reduce the risk of heart disease.

Correct AnswerverifiedShow Answer

Which statement about hybridization is incorrect?

Correct AnswerverifiedShow Answer

Which statement about the tracking of genetically modified ingredients is correct?

Correct AnswerverifiedShow Answer

Altering the DNA of a species changes the ____ that a cell makes.

Correct AnswerverifiedShow Answer

Which statement about the nutrient content of genetically modified foods is true?

Correct AnswerverifiedShow Answer

A bacterial enzyme with the ability to cut DNA in a specific location is a

Correct AnswerverifiedShow Answer

Using biotechnology,give some examples of how the quantity and quality of some foods has been enhanced.

Correct AnswerverifiedCrop quantity can be increased by using ...View AnswerShow Answer

Genetic modification to provide disease resistance was able to save Hawaii's ______ crop from the ring spot virus in 1990.

Correct AnswerverifiedShow Answer

Which statement is correct?

Correct AnswerverifiedShow Answer

One consumer safety concern related to bioengineered foods is

Correct AnswerverifiedShow Answer

The segments of DNA that determine the characteristics of an organism are

Correct AnswerverifiedShow Answer

Which statement about the genetic modification of plants to provide insect resistance is incorrect?

Correct AnswerverifiedShow Answer

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Numerous products have been improved to ...
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Genes are removed from plants or animals...
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GM foods may result ...
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Crop quantity can be increased by using ...
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