Question 1

In reproductive cloning,cells are subjected to an electric current under special circumstances.What effect does this have?

Accepted Answer

A) It removes an udder cell from an adult. 
B) It removes DNA from an egg. 
C) It mimics fertilization and begins embryonic development. 
D) It introduces recombinant DNA. 
A) It removes an udder cell from an adult. 
B) It removes DNA from an egg. 
C) It mimics fertilization and begins embryonic development. 
D) It introduces recombinant DNA.

Question 2

It is beneficial for children in underdeveloped countries to eat genetically modified "golden rice," rather than regular rice,because golden rice:

Accepted Answer

A) tastes better. 
B) produces a vitamin A precursor, which helps prevent blindness in children. 
C) does not cost as much as regular rice. 
D) prevents diarrhea in children. 
A) tastes better. 
B) produces a vitamin A precursor, which helps prevent blindness in children. 
C) does not cost as much as regular rice. 
D) prevents diarrhea in children.

Question 3

Which choice is an example of "recombinant DNA"?

Accepted Answer

A) DNA that has been amplified by PCR 
B) any DNA that has been removed from a cell 
C) DNA that has been cut with a restriction enzyme 
D) a bacterial plasmid combined with a human gene 
A) DNA that has been amplified by PCR 
B) any DNA that has been removed from a cell 
C) DNA that has been cut with a restriction enzyme 
D) a bacterial plasmid combined with a human gene

Question 4

Refer to the figure below, and then answer the question that follows.
  
-In PCR,what is the function of the primers?

Accepted Answer

A) They separate DNA strands. 
B) They are the starting point for DNA polymerase to work on synthesizing complementary DNA strands. 
C) They tell DNA polymerase where to stop copying the template. 
D) They are the source of nucleotides that DNA polymerase uses to copy the template. 
A) They separate DNA strands. 
B) They are the starting point for DNA polymerase to work on synthesizing complementary DNA strands. 
C) They tell DNA polymerase where to stop copying the template. 
D) They are the source of nucleotides that DNA polymerase uses to copy the template.

Question 5

What is the function of restriction enzymes in bacteria?

Accepted Answer

A) They are used to repair DNA mutations. 
B) They function in protein production. 
C) They cut the bacterial cell's chromosome so that it is more easily transformed. 
D) They cut foreign DNA, for example, the DNA of invading viruses. 
A) They are used to repair DNA mutations. 
B) They function in protein production. 
C) They cut the bacterial cell's chromosome so that it is more easily transformed. 
D) They cut foreign DNA, for example, the DNA of invading viruses.

Question 6

Why is PCR useful?

Accepted Answer

A) It allows fragments of DNA to be separated by size. 
B) It is essential for making many copies of a transgenic animal. 
C) It is required for the introduction of DNA into reproductively cloned animals. 
D) It allows for making many copies of DNA when the starting sample is small. 
A) It allows fragments of DNA to be separated by size. 
B) It is essential for making many copies of a transgenic animal. 
C) It is required for the introduction of DNA into reproductively cloned animals. 
D) It allows for making many copies of DNA when the starting sample is small.

Question 7

What is the advantage of genetically modifying crops such as corn,cotton,and potatoes with Bt genes?

Accepted Answer

A) to reduce the need for fertilizers 
B) to stop Bacillus thuringiensis from damaging the crops 
C) to improve the resistance of insect pests to Bt toxins 
D) to make the crops more resistant to insect pests 
A) to reduce the need for fertilizers 
B) to stop Bacillus thuringiensis from damaging the crops 
C) to improve the resistance of insect pests to Bt toxins 
D) to make the crops more resistant to insect pests

Question 8

Refer to the figure below, and then answer the question that follows.
  
-More than one restriction enzyme can be used to cut a piece of DNA at a time.If you used the restriction enzyme BamHI,which recognizes the sequence GGATCC (shown in the figure),as well as another enzyme that recognizes the sequence AATT,how many DNA fragments would be produced from the DNA strand shown?

Accepted Answer

A) two 
B) three 
C) four 
D) five 
A) two 
B) three 
C) four 
D) five

Question 9

"Dolly" or another reproductively cloned animal is a clone of:

Accepted Answer

A) bacteria that were used to generate the recombinant DNA in the animal. 
B) an adult animal that contributed DNA to an enucleated egg. 
C) the animal that donated the egg from which the clone developed. 
D) a human that contributed genes to the recombinant DNA in the animal. 
A) bacteria that were used to generate the recombinant DNA in the animal. 
B) an adult animal that contributed DNA to an enucleated egg. 
C) the animal that donated the egg from which the clone developed. 
D) a human that contributed genes to the recombinant DNA in the animal.

Question 10

Define recombinant DNA.

Accepted Answer

Recombinant DNA is a piece of

Question 11

A farmer wants to reduce his need to use insecticides on his corn crop to save money.He plants 80 percent of his field with Bt corn but has to plant the remaining 20 percent with corn that has not been genetically modified.What is the reason for planting only 80 percent of his field with Bt corn if planting 100 percent Bt corn would reduce his need for insecticide even further?

Accepted Answer

If all the corn is genetically modified

Question 12

Genetically modified crops have been produced mainly to benefit:

Accepted Answer

A) consumers. 
B) farmers. 
C) the scientific community. 
D) the United State's ability to export agricultural products. 
A) consumers. 
B) farmers. 
C) the scientific community. 
D) the United State's ability to export agricultural products.

Question 13

Cells that can give rise to more of its kind along with at least one variety of specialized cell are known as:

Accepted Answer

A) somatic cells. 
B) blastocysts. 
C) nerve cells. 
D) stem cells. 
E) egg cells. 
A) somatic cells. 
B) blastocysts. 
C) nerve cells. 
D) stem cells. 
E) egg cells.

Question 14

On what basis does forensic biotechnology distinguish one individual from another?

Accepted Answer

A) Different people will have different mutations in their short tandem repeats. 
B) Different people will have a different number of tandem repeats at the same location in their genomes. 
C) Different people will have completely different genomes. 
D) A small tandem repeat in one person will be in a different location in the genome of another person. 
A) Different people will have different mutations in their short tandem repeats. 
B) Different people will have a different number of tandem repeats at the same location in their genomes. 
C) Different people will have completely different genomes. 
D) A small tandem repeat in one person will be in a different location in the genome of another person.

Question 15

What is the most common way of introducing recombinant DNA into bacterial cells?

Accepted Answer

A) viral vectors 
B) PCR 
C) transformation 
D) gel electrophoresis 
A) viral vectors 
B) PCR 
C) transformation 
D) gel electrophoresis

Question 16

To identify an individual through DNA analysis of his or her blood at crime scenes,investigators look for patterns based on:

Accepted Answer

A) transgenic fragments. 
B) short tandem repeats in the DNA. 
C) primers. 
D) probes. 
A) transgenic fragments. 
B) short tandem repeats in the DNA. 
C) primers. 
D) probes.

Question 17

You are the owner of Jurassic Park,and you want to set about populating your park with extinct animals.The first animal you want to have in your park is a wooly mammoth,and you have a remarkably well-preserved specimen that was frozen in the Arctic ice 20,000 years ago.Design a method for populating your park with many living wooly mammoths.

Accepted Answer

Using reproductive-cloning techniques,ce

Question 18

Kary Mullis was awarded the Nobel Prize in chemistry for inventing:

Accepted Answer

A) restriction enzymes. 
B) DNA fingerprinting. 
C) therapeutic stem cell applications. 
D) the polymerase chain reaction. 
A) restriction enzymes. 
B) DNA fingerprinting. 
C) therapeutic stem cell applications. 
D) the polymerase chain reaction.

Question 19

What roles do plasmids play in biotechnology?

Accepted Answer

A) Plasmids are used to provide nutrients to bacterial cells. 
B) Plasmids are used to break open the cell wall of bacterial cells. 
C) Plasmids are used to infect and destroy bacterial cells. 
D) Plasmids are used as a vector to transfer genes between organisms. 
A) Plasmids are used to provide nutrients to bacterial cells. 
B) Plasmids are used to break open the cell wall of bacterial cells. 
C) Plasmids are used to infect and destroy bacterial cells. 
D) Plasmids are used as a vector to transfer genes between organisms.

Question 20

Much of the food crops in the United States are transgenic.This primarily has been done to give the crops what properties?

Accepted Answer

A) a decrease in the need for chemical fertilizers 
B) the ability to produce human growth hormone 
C) the ability to resist insects and herbicides 
D) the need for greater irrigation 
A) a decrease in the need for chemical fertilizers 
B) the ability to produce human growth hormone 
C) the ability to resist insects and herbicides 
D) the need for greater irrigation

Exam 15: The Future Isnt What It Used to Be: Biotechnology

In reproductive cloning,cells are subjected to an electric current under special circumstances.What effect does this have?

It is beneficial for children in underdeveloped countries to eat genetically modified "golden rice," rather than regular rice,because golden rice:

Which choice is an example of "recombinant DNA"?

Refer to the figure below, and then answer the question that follows. -In PCR,what is the function of the primers?

What is the function of restriction enzymes in bacteria?

Why is PCR useful?

What is the advantage of genetically modifying crops such as corn,cotton,and potatoes with Bt genes?

"Dolly" or another reproductively cloned animal is a clone of:

Define recombinant DNA.

Genetically modified crops have been produced mainly to benefit:

Cells that can give rise to more of its kind along with at least one variety of specialized cell are known as:

On what basis does forensic biotechnology distinguish one individual from another?

What is the most common way of introducing recombinant DNA into bacterial cells?

To identify an individual through DNA analysis of his or her blood at crime scenes,investigators look for patterns based on:

Kary Mullis was awarded the Nobel Prize in chemistry for inventing:

What roles do plasmids play in biotechnology?

Much of the food crops in the United States are transgenic.This primarily has been done to give the crops what properties?

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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