Question 1

RNAᵢ is not a useful tool for the development of cures for genetically inherited diseases.

Accepted Answer

A) True 
 B)False

Question 2

A(n)____________________ is a small, circular portion of DNA that is found in bacteria and is not part of the main genome.

Accepted Answer

The answer of A(n)____________________ is a small, circular portion of...

Question 3

Researchers commonly use DNA technology to create recombinant DNA that has a "glowing" protein product. Which of the following is a benefit of this technology?

Accepted Answer

A) This technology provides proof to nonscientists that genetic engineering is safe. 
B) Organisms that express this gene can obtain energy through photosynthesis rather than consumption. 
C) The genes for glowing proteins are easier to clone than other genes. 
D) Glowing proteins allow scientists to see where a particular gene is expressed in living cells. 
A) This technology provides proof to nonscientists that genetic engineering is safe. 
B) Organisms that express this gene can obtain energy through photosynthesis rather than consumption. 
C) The genes for glowing proteins are easier to clone than other genes. 
D) Glowing proteins allow scientists to see where a particular gene is expressed in living cells.

Question 4

In nature, the function of a restriction enzyme is to

Accepted Answer

A) connect DNA fragments after replication. 
B) protect bacteria from invading foreign DNA. 
C) speed up the rate at which bacteria can metabolize their energy sources. 
D) make numerous copies of a given gene. 
A) connect DNA fragments after replication. 
B) protect bacteria from invading foreign DNA. 
C) speed up the rate at which bacteria can metabolize their energy sources. 
D) make numerous copies of a given gene.

Question 5

Hind III and AluI are examples of ____________________ used to cut DNA at specific sites.

Accepted Answer

The answer of Hind III and AluI are examples of...

Question 6

DNA identification of individuals is possible because due to differences in DNA sequence,

Accepted Answer

A) the same restriction enzyme cuts different individuals' DNA in different places. 
B) a different restriction enzyme is needed to cut each person's DNA. 
C) a different species of bacteria is needed to create a DNA probe for each person. 
D) DNA probes hybridize with different genes in different people. 
A) the same restriction enzyme cuts different individuals' DNA in different places. 
B) a different restriction enzyme is needed to cut each person's DNA. 
C) a different species of bacteria is needed to create a DNA probe for each person. 
D) DNA probes hybridize with different genes in different people.

Question 7

The goal of DNA ____________________ is to make many copies of a piece of recombinant DNA so that the DNA can be further manipulated and studied.

Accepted Answer

The answer of The goal of DNA ____________________ is to...

Question 8

DNA fingerprinting can prove guilt without fail.

Accepted Answer

A) True 
 B)False

Question 9

____________________ catalyzes the formation of covalent bonds between two DNA fragments, creating a single piece of DNA.

Accepted Answer

The answer of ____________________ catalyzes the formation of covalent bonds...

Question 10

This graph shows that genetically modified salmon _____ than unmodified salmon.

Accepted Answer

A) breed more quickly 
B) are, at maturity, larger 
C) grow faster 
D) do more harm to native insect populations 
A) breed more quickly 
B) are, at maturity, larger 
C) grow faster 
D) do more harm to native insect populations

Question 11

Which of the following is not an example of humans changing the DNA of an organism?

Accepted Answer

A) treating a patient with a medication that cures an infection 
B) adding a disease-resistant gene to a crop plant 
C) modifying bacteria to produce human insulin 
D) gene therapy 
A) treating a patient with a medication that cures an infection 
B) adding a disease-resistant gene to a crop plant 
C) modifying bacteria to produce human insulin 
D) gene therapy

Question 12

The genes for the normal mutant alleles of a gene are cut with the same restriction enzyme. The resulting DNA fragments were separated by gel electrophoresis, producing the gel shown in the figure below. Why are the patterns produced by these two alleles different?

Accepted Answer

A) The normal hemoglobin gene is cut by two restriction enzymes, but the sickle cell anemia allele is cut by only one restriction enzyme. 
B) The gene for the normal allele is much larger than the gene for sickle cell anemia. 
C) The gene for the normal allele has a sequence recognized by DdeI, but the gene for sickle cell anemia does not. 
D) The sickle cell allele has the ability to produce ligase to repair the damage done by restriction enzymes, but the normal allele does not. 
A) The normal hemoglobin gene is cut by two restriction enzymes, but the sickle cell anemia allele is cut by only one restriction enzyme. 
B) The gene for the normal allele is much larger than the gene for sickle cell anemia. 
C) The gene for the normal allele has a sequence recognized by DdeI, but the gene for sickle cell anemia does not. 
D) The sickle cell allele has the ability to produce ligase to repair the damage done by restriction enzymes, but the normal allele does not.

Question 13

To make recombinant DNA,

Accepted Answer

A) two nonhomologous chromosomes are induced to undergo crossing-over during meiosis. 
B) the entire genome of one organism is fused to a plasmid. 
C) pieces of DNA from different organisms are cut with restriction enzymes and then glued together with ligase. 
D) DNA polymerase is used to make multiple copies of the DNA sequences of two organisms at the same time. 
A) two nonhomologous chromosomes are induced to undergo crossing-over during meiosis. 
B) the entire genome of one organism is fused to a plasmid. 
C) pieces of DNA from different organisms are cut with restriction enzymes and then glued together with ligase. 
D) DNA polymerase is used to make multiple copies of the DNA sequences of two organisms at the same time.

Question 14

Which of the following is not involved in creating recombinant DNA?

Accepted Answer

A) restriction enzymes 
B) ligase 
C) RNA 
D) plasmids 
A) restriction enzymes 
B) ligase 
C) RNA 
D) plasmids

Question 15

Cloning and sequencing are important in the study of inherited diseases, because

Accepted Answer

A) many copies of the gene can be ligated. 
B) the protein product that produces the disease can be determined. 
C) the process can be reversed to cure the disease. 
D) the clones can be easily paired. 
A) many copies of the gene can be ligated. 
B) the protein product that produces the disease can be determined. 
C) the process can be reversed to cure the disease. 
D) the clones can be easily paired.

Question 16

To clone a recombinant plasmid you would

Accepted Answer

A) insert the plasmid into a virus and inject the virus into a human cell. 
B) allow bacteria to take up the plasmid and copy it many, many times. 
C) Mix the plasmid with restriction enzymes and nucleotides. 
D) Use ligase to fuse the ends of the plasmids together. 
A) insert the plasmid into a virus and inject the virus into a human cell. 
B) allow bacteria to take up the plasmid and copy it many, many times. 
C) Mix the plasmid with restriction enzymes and nucleotides. 
D) Use ligase to fuse the ends of the plasmids together.

Question 17

As a result of the human genome project, we know

Accepted Answer

A) the DNA sequence of every human chromosome. 
B) the location of every disease-causing mutation in the human DNA sequence. 
C) the DNA sequences of all organisms relevant to human existence. 
D) how to cure or prevent all genetically inherited disorders. 
A) the DNA sequence of every human chromosome. 
B) the location of every disease-causing mutation in the human DNA sequence. 
C) the DNA sequences of all organisms relevant to human existence. 
D) how to cure or prevent all genetically inherited disorders.

Question 18

DNA ____________________ occurs when complementary single-stranded DNA molecules from two different sources undergo base pairing.

Accepted Answer

The answer of DNA ____________________ occurs when complementary single-stranded DNA...

Question 19

Which of the following is not required for reproductive cloning?

Accepted Answer

A) an egg cell that lacks a nucleus 
B) a somatic cell 
C) an electrical current 
D) a restriction enzyme 
A) an egg cell that lacks a nucleus 
B) a somatic cell 
C) an electrical current 
D) a restriction enzyme

Question 20

Ligases are used to

Accepted Answer

A) connect two DNA fragments to each other. 
B) snip DNA into smaller molecules. 
C) separate DNA molecules by size. 
D) determine the exact base sequence of a DNA molecule. 
A) connect two DNA fragments to each other. 
B) snip DNA into smaller molecules. 
C) separate DNA molecules by size. 
D) determine the exact base sequence of a DNA molecule.

Exam 16: Dna Technology

RNAᵢ is not a useful tool for the development of cures for genetically inherited diseases.

A(n)____________________ is a small, circular portion of DNA that is found in bacteria and is not part of the main genome.

Researchers commonly use DNA technology to create recombinant DNA that has a "glowing" protein product. Which of the following is a benefit of this technology?

In nature, the function of a restriction enzyme is to

Hind III and AluI are examples of ____________________ used to cut DNA at specific sites.

DNA identification of individuals is possible because due to differences in DNA sequence,

The goal of DNA ____________________ is to make many copies of a piece of recombinant DNA so that the DNA can be further manipulated and studied.

DNA fingerprinting can prove guilt without fail.

____________________ catalyzes the formation of covalent bonds between two DNA fragments, creating a single piece of DNA.

This graph shows that genetically modified salmon _____ than unmodified salmon.

Which of the following is not an example of humans changing the DNA of an organism?

The genes for the normal mutant alleles of a gene are cut with the same restriction enzyme. The resulting DNA fragments were separated by gel electrophoresis, producing the gel shown in the figure below. Why are the patterns produced by these two alleles different?

To make recombinant DNA,

Which of the following is not involved in creating recombinant DNA?

Cloning and sequencing are important in the study of inherited diseases, because

To clone a recombinant plasmid you would

As a result of the human genome project, we know

DNA ____________________ occurs when complementary single-stranded DNA molecules from two different sources undergo base pairing.

Which of the following is not required for reproductive cloning?

Ligases are used to

The Nature of Science and the Characteristics of Life

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

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The Chemistry of Life

Cell Structure and Internal Compartments

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Photosynthesis and Cellular Respiration

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Patterns of Inheritance

Chromosomes and Human Genetics

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