Question 1

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 2

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 3

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. 
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.

Question 4

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 5

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

Accepted Answer

Genes are removed from plants or animals

Question 6

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 7

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 8

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. 
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.

Question 9

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 10

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

Accepted Answer

GM foods may result

Question 11

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 12

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 13

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

Question 14

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. 
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.

Question 15

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. 
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.

Question 16

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

Accepted Answer

A) proteins 
B) lipids 
C) carbohydrates 
D) vitamins 
A) proteins 
B) lipids 
C) carbohydrates 
D) vitamins

Question 17

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. 
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.

Question 18

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

Question 19

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

Accepted Answer

Numerous products have been improved to

Question 20

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

Focus on Biotechnology

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

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

Which statement about hybridization is incorrect?

Which statement is correct?

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

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

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

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

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

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

Antibiotic resistance genes are often used as:

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

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

One consumer safety concern related to bioengineered foods is

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

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

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

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

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

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

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 Nonvitamin/Nonmineral Supplements

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