Question 1

Golden rice has been engineered to combat ____ deficiency.

Accepted Answer

A) iron 
B) iodine 
C) protein. 
D) vitamin A 
A) iron 
B) iodine 
C) protein. 
D) vitamin A

Question 2

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. 
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.

Question 3

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

Accepted Answer

Genetic engineering, also known as genet

Question 4

Which statement about mutations is incorrect?

Accepted Answer

A) Mutations are changes in the DNA. 
B) Harmful mutations are often not passed down. 
C) Some beneficial mutations increase the likelihood of survival. 
D) All mutations are harmful. 
A) Mutations are changes in the DNA. 
B) Harmful mutations are often not passed down. 
C) Some beneficial mutations increase the likelihood of survival. 
D) All mutations are harmful.

Question 5

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

Question 6

What proportion of consumers want to have genetically modified food products labeled as such?

Accepted Answer

A) 18%. 
B) 28% 
C) 2/3 
D) 3/4 
A) 18%. 
B) 28% 
C) 2/3 
D) 3/4

Question 7

How is genetic engineering being used to make foods more nutritious?

Accepted Answer

Genetic engineering, also known as genet

Question 8

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 insulin 
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 insulin

Question 9

A DNA molecule composed of DNA from two different species is a

Accepted Answer

A) clone 
B) gene 
C) chimera 
D) genome 
A) clone 
B) gene 
C) chimera 
D) genome

Question 10

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

Accepted Answer

The use of genetically modified (GM) org

Question 11

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

Accepted Answer

A) bases 
B) RNA 
C) genes 
D) proteins 
A) bases 
B) RNA 
C) genes 
D) proteins

Question 12

Explain how genetic engineering introduces new traits into plants and compare and contrast traditional breeding methods with those of modern biotechnology.

Accepted Answer

Genetic engineering introduces new trait

Question 13

Genetic modification improves crop yields by doing all of the following except:

Accepted Answer

A) allowing more seeds to be planted. 
B) creating plants that are resistant to herbicides. 
C) creating plants that can withstand drought. 
D) developing plants that use sunlight more efficiently. 
A) allowing more seeds to be planted. 
B) creating plants that are resistant to herbicides. 
C) creating plants that can withstand drought. 
D) developing plants that use sunlight more efficiently.

Question 14

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 fats 
A) less cholesterol 
B) more folate 
C) more monounsaturated fats 
D) more polyunsaturated fats

Question 15

A loop of bacterial DNA with the ability to carry genes from one place to another is a

Accepted Answer

A) restriction enzyme 
B) plasmid 
C) recombinant enzyme 
D) Gene fragment 
A) restriction enzyme 
B) plasmid 
C) recombinant enzyme 
D) Gene fragment

Question 16

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. 
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.

Question 17

Antibiotic resistance genes are often used as:

Accepted Answer

A) allergens 
B) plasmids 
C) marker genes 
D) toxins 
A) allergens 
B) plasmids 
C) marker genes 
D) toxins

Question 18

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 nut 
A) papaya 
B) pineapple 
C) coconut 
D) macadamia nut

Question 19

Which statement about genetically modified foods and allergens is incorrect?

Accepted Answer

A) Biotechnology companies monitor the allergenic potential of proteins used for plant genetic engineering. 
B) Potentially allergenic soybeans were kept from entering the market in 1996. 
C) The products of new genes could cause people to have an allergic reaction to previously safe foods. 
D) Because of the mandatory testing system,individuals with food allergies can assume that new foods are safe. 
A) Biotechnology companies monitor the allergenic potential of proteins used for plant genetic engineering. 
B) Potentially allergenic soybeans were kept from entering the market in 1996. 
C) The products of new genes could cause people to have an allergic reaction to previously safe foods. 
D) Because of the mandatory testing system,individuals with food allergies can assume that new foods are safe.

Question 20

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

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 20 
A) 2 
B) 3 
C) 4 
D) 20

Exam 23: Focus on Biotechnology

Golden rice has been engineered to combat ____ deficiency.

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

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

Which statement about mutations is incorrect?

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

What proportion of consumers want to have genetically modified food products labeled as such?

How is genetic engineering being used to make foods more nutritious?

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

A DNA molecule composed of DNA from two different species is a

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

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

Explain how genetic engineering introduces new traits into plants and compare and contrast traditional breeding methods with those of modern biotechnology.

Genetic modification improves crop yields by doing all of the following except:

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

A loop of bacterial DNA with the ability to carry genes from one place to another is a

Which statement is correct?

Antibiotic resistance genes are often used as:

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

Which statement about genetically modified foods and allergens is incorrect?

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

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fiber

Lipids: Triglycerides, Phospholipids, and Cholesterol

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Minerals

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: The Adult Years

Food Safety

World Hunger and Malnutrition

Focus on Alcohol

Focus on Eating Disorders

Focus on Phytochemicals

Focus on Nonvitaminnonmineral Supplements

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