Question 1

How many different bases occur in the DNA molecule?

Accepted Answer

A) 20 
B) 10 
C) 6 
D) 4 
A) 20 
B) 10 
C) 6 
D) 4 D

Question 2

Which of the following about genetically modified food product labels is FALSE?

Accepted Answer

A) Labelling increases cost of products at many levels. 
B) The Canadian Food Inspection Agency does not require declarations regarding genetic modifications. 
C) Food labelling regulations require processors to indicate if they are using plants modified by traditional plant breeding. 
D) Labelling decisions are based on whether there are differences between the new food and the traditional food. 
A) Labelling increases cost of products at many levels. 
B) The Canadian Food Inspection Agency does not require declarations regarding genetic modifications. 
C) Food labelling regulations require processors to indicate if they are using plants modified by traditional plant breeding. 
D) Labelling decisions are based on whether there are differences between the new food and the traditional food. C

Question 3

Genetic modification improves crop yields by doing all of the following EXCEPT one.Which one?

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. A

Question 4

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 takes the genes for

Question 5

Which of the following statements regarding biotechnology is NOT correct?

Accepted Answer

A) Biotechnology can improve food safety by engineering foods to reduce or eliminate naturally occurring allergens. 
B) For those who have a peanut allergy,biotechnology may lead to allergen-free genetically modified peanuts. 
C) An early example of biotechnology is the use,in Canada,of recombinant bovine somatotropin to improve dairy milk production. 
D) When a food is genetically altered,the proteins or portions of the proteins to which someone is allergic are eliminated. 
A) Biotechnology can improve food safety by engineering foods to reduce or eliminate naturally occurring allergens. 
B) For those who have a peanut allergy,biotechnology may lead to allergen-free genetically modified peanuts. 
C) An early example of biotechnology is the use,in Canada,of recombinant bovine somatotropin to improve dairy milk production. 
D) When a food is genetically altered,the proteins or portions of the proteins to which someone is allergic are eliminated.

Question 6

Which statement about genetically modified foods and allergens is FALSE?

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. 
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 automatically 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. 
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 automatically assume that new foods are safe.

Question 7

What are the potential health risks of genetically modified (GM)foods?

Accepted Answer

It is possible that some of th

Question 8

Given the large increment of GM-produced foods in such a brief period,how are governmental agencies and food companies preventing impact on consumer safety and the environment?

Accepted Answer

The government has set guidelines to hel

Question 9

Your mother was horrified to learn that the vast majority of processed foods in Canada contain GM ingredients.What can you tell her to allay her fears of a negative health impact from these foods? If she is still concerned,how can you advise her to avoid them?

Accepted Answer

Since the labelling of GM foods requires

Question 10

Bacteria have been genetically modified to make compounds used in food processing.What are these compounds?

Accepted Answer

A) enzymes 
B) additives 
C) carbohydrates 
D) conditioners 
A) enzymes 
B) additives 
C) carbohydrates 
D) conditioners

Question 11

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

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 because the Bt affects only insects feeding on the crop of interest and not the surrounding foliage. 
D) The protein from Bt has been used as an insecticide for several decades. 
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 because the Bt affects only insects feeding on the crop of interest and not the surrounding foliage. 
D) The protein from Bt has been used as an insecticide for several decades.

Question 12

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

Accepted Answer

Genetic engineering has been a

Question 13

How are antibiotic resistance genes used in biotechnology?

Accepted Answer

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

Question 14

Which of the following statements regarding aquaculture is FALSE?

Accepted Answer

A) Changes in the practice have included reducing the contact between farmed and wild fish. 
B) It is the controlled cultivation and harvest of aquatic plants or animals. 
C) There is hope that aquaculture will help reduce the world's dependence on wild stocks of fish. 
D) Today,most of the salmon consumed is wild. 
A) Changes in the practice have included reducing the contact between farmed and wild fish. 
B) It is the controlled cultivation and harvest of aquatic plants or animals. 
C) There is hope that aquaculture will help reduce the world's dependence on wild stocks of fish. 
D) Today,most of the salmon consumed is wild.

Question 15

Which of the following statements does NOT describe a similarity between selective plant breeding and genetic modification?

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

Which of the following statements is TRUE?

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

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 18

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

Accepted Answer

Numerous products have been improved to

Question 19

Which statement best describes the advantages of biotechnology over traditional plant breeding?

Accepted Answer

A) It is time-consuming. 
B) New traits come from related-plant species. 
C) It allows for single gene transfers. 
D) Both (b)and (c). 
A) It is time-consuming. 
B) New traits come from related-plant species. 
C) It allows for single gene transfers. 
D) Both (b)and (c).

Question 20

"A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism." What is being described?

Accepted Answer

A) cloning. 
B) genetic engineering. 
C) nuclear transfer. 
D) gene doping. 
A) cloning. 
B) genetic engineering. 
C) nuclear transfer. 
D) gene doping.

Exam 26: Focus 8: Focus on Biotechnology

How many different bases occur in the DNA molecule?

Which of the following about genetically modified food product labels is FALSE?

Genetic modification improves crop yields by doing all of the following EXCEPT one.Which one?

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

Which of the following statements regarding biotechnology is NOT correct?

Which statement about genetically modified foods and allergens is FALSE?

What are the potential health risks of genetically modified (GM)foods?

Given the large increment of GM-produced foods in such a brief period,how are governmental agencies and food companies preventing impact on consumer safety and the environment?

Your mother was horrified to learn that the vast majority of processed foods in Canada contain GM ingredients.What can you tell her to allay her fears of a negative health impact from these foods? If she is still concerned,how can you advise her to avoid them?

Bacteria have been genetically modified to make compounds used in food processing.What are these compounds?

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

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

How are antibiotic resistance genes used in biotechnology?

Which of the following statements regarding aquaculture is FALSE?

Which of the following statements does NOT describe a similarity between selective plant breeding and genetic modification?

Which of the following statements is TRUE?

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?

Which statement best describes the advantages of biotechnology over traditional plant breeding?

"A set of techniques used to manipulate DNA for the purpose of changing the characteristics of an organism." What is being described?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

A: the Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

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 1: Focus on Beyond the Basics

Focus 2: Focus on Alcohol

Focus 3: Focus on Obesity, Metabolism, and Disease Risk

Focus 4: Focus on Phytochemicals

Focus5:focus on Natural Health Products

Focus 6: Focus on Integrating Nutrient Function in the Body

Focus 7: Focus on Eating Disorders

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