Question 1

An organism that contains altered genes is considered all of the following EXCEPT

Accepted Answer

A)  a genetically modified organism (GMO). 
B)  transgenic. 
C)  genetically engineered. 
D)  polymorphic. 
A)  a genetically modified organism (GMO). 
B)  transgenic. 
C)  genetically engineered. 
D)  polymorphic.

Question 2

PCR joins many small DNA molecules into a long chain.

Accepted Answer

A) True 
 B)False

Question 3

The illustrated probe cannot bind to the shown DNA sequence. Which DNA sequence could this probe bind to?

Accepted Answer

A)  AGAGATATCTAT 
B)  AGAGATATGATA 
C)  AGATCTATCTAT 
D)  AGATAGATAGAT 
A)  AGAGATATCTAT 
B)  AGAGATATGATA 
C)  AGATCTATCTAT 
D)  AGATAGATAGAT

Question 4

DNA from different bacteria may be combined using all of the following EXCEPT

Accepted Answer

A)  cloning. 
B)  plasmids. 
C)  transformation. 
D)  viruses. 
A)  cloning. 
B)  plasmids. 
C)  transformation. 
D)  viruses.

Question 5

Golden Rice was originally developed to provide a source of_________ to people for whom rice is the principal food.

Accepted Answer

The answer of Golden Rice was originally developed to provide...

Question 6

Compare and contrast the use of a DNA profile (ʺDNA fingerprintingʺ) with regular ink fingerprinting.

Accepted Answer

Both have the ability to distinguish ind

Question 7

What is the advantage of using PCR over traditional bacterial cloning to generate large quantities of a specific piece of DNA?

Accepted Answer

PCR is faster and ch

Question 8

If you cut out a gene using the restriction enzymes EcoRI and BamHI, what enzyme(s) will you need to insert the gene into another chromosome?

Accepted Answer

A)  EcoRI only 
B)  BamHI only 
C)  Both EcoRI and BamHI 
D)  Neither of these enzymes 
A)  EcoRI only 
B)  BamHI only 
C)  Both EcoRI and BamHI 
D)  Neither of these enzymes

Question 9

If the DNA fingerprint of a suspect does NOT match a blood sample from a crime scene, what can you conclude?

Accepted Answer

A)  The blood sample had to come from another person, but the suspect may still have been there. 
B)  The DNA in the blood sample probably degraded in a short period of time. 
C)  The suspect may have been at the crime scene, because DNA fingerprinting has a large error rate. 
D)  The suspect was never at the crime scene. 
A)  The blood sample had to come from another person, but the suspect may still have been there. 
B)  The DNA in the blood sample probably degraded in a short period of time. 
C)  The suspect may have been at the crime scene, because DNA fingerprinting has a large error rate. 
D)  The suspect was never at the crime scene.

Question 10

There are potential risks in performing recombinant DNA research on humans and plants.

Accepted Answer

A) True 
 B)False

Question 11

Ligase enzymes are used to covalently bind together pieces of DNA.)

Accepted Answer

A) True 
 B)False

Question 12

All of the following are benefits of sequencing the human genome EXCEPT

Accepted Answer

A)  every genetic disorder is now curable or preventable. 
B)  genes were discovered whose functions were previously unknown. 
C)  the number of genetic disorders that can be diagnosed with molecular techniques has increased. 
D)  more genes that cause disease have been discovered. 
E)  better comparisons can be made between human genetics and the genetics of other organisms. 
A)  every genetic disorder is now curable or preventable. 
B)  genes were discovered whose functions were previously unknown. 
C)  the number of genetic disorders that can be diagnosed with molecular techniques has increased. 
D)  more genes that cause disease have been discovered. 
E)  better comparisons can be made between human genetics and the genetics of other organisms.

Question 13

In biotechnology research, DNA fragments created by restriction enzyme action are separated from one another via

Accepted Answer

A)  PCR. 
B)  crossing over. 
C)  centrifugation. 
D)  gel electrophoresis. 
E)  filtering. 
A)  PCR. 
B)  crossing over. 
C)  centrifugation. 
D)  gel electrophoresis. 
E)  filtering.

Question 14

DNA is negatively charged because of its

Accepted Answer

A)  phosphate groups. 
B)  ribose molecules. 
C)  large molecular size. 
D)  bases. 
E)  deoxyribose molecules. 
A)  phosphate groups. 
B)  ribose molecules. 
C)  large molecular size. 
D)  bases. 
E)  deoxyribose molecules.

Question 15

All of the following are ways in which scientists can transfect an organism EXCEPT

Accepted Answer

A)  using a ʺgene gunʺ to shoot genes into cells in culture. 
B)  spraying plants with herbicide containing new genes. 
C)  injecting DNA into an egg using a small, sharp pipette. 
D)  infecting a host organism with a virus carrying a new gene. 
A)  using a ʺgene gunʺ to shoot genes into cells in culture. 
B)  spraying plants with herbicide containing new genes. 
C)  injecting DNA into an egg using a small, sharp pipette. 
D)  infecting a host organism with a virus carrying a new gene.

Question 16

Enzymes that cut double-stranded DNA at specific sites are called_________ .

Accepted Answer

The answer of Enzymes that cut double-stranded DNA at specific...

Question 17

Restriction enzymes have the ability to cut DNA at specific nucleotide sequences.

Accepted Answer

A) True 
 B)False

Question 18

The genetic recombination of _________caused massive, widespread epidemics that affected the global human population several times in the twentieth century.

Accepted Answer

A)  human and bacterial plasmids 
B)  HIV and flu viruses 
C)  bacterial and viral plasmids 
D)  bird flu viruses and human flu viruses 
A)  human and bacterial plasmids 
B)  HIV and flu viruses 
C)  bacterial and viral plasmids 
D)  bird flu viruses and human flu viruses

Question 19

All of the following have been produced by inserting human genes into bacteria EXCEPT

Accepted Answer

A)  insulin, which treats diabetics. 
B)  growth hormone, which helps children grow normally. 
C)  cancer-cell-killing hormones, which cure patients who have malignancies. 
D)  blood-clotting enzymes, which treat hemophiliacs. 
E)  clot-dissolving enzymes, which help heart attack victims recover. 
A)  insulin, which treats diabetics. 
B)  growth hormone, which helps children grow normally. 
C)  cancer-cell-killing hormones, which cure patients who have malignancies. 
D)  blood-clotting enzymes, which treat hemophiliacs. 
E)  clot-dissolving enzymes, which help heart attack victims recover.

Question 20

Restriction enzymes

Accepted Answer

A)  can cut only bacterial DNA. 
B)  separate the strands of DNA during PCR. 
C)  randomly cut DNA into small pieces. 
D)  produce single-stranded DNA fragments with ʺsticky ends.ʺ 
A)  can cut only bacterial DNA. 
B)  separate the strands of DNA during PCR. 
C)  randomly cut DNA into small pieces. 
D)  produce single-stranded DNA fragments with ʺsticky ends.ʺ

Exam 14: Biotechnology

An organism that contains altered genes is considered all of the following EXCEPT

PCR joins many small DNA molecules into a long chain.

The illustrated probe cannot bind to the shown DNA sequence. Which DNA sequence could this probe bind to?

DNA from different bacteria may be combined using all of the following EXCEPT

Golden Rice was originally developed to provide a source of_________ to people for whom rice is the principal food.

Compare and contrast the use of a DNA profile (ʺDNA fingerprintingʺ) with regular ink fingerprinting.

What is the advantage of using PCR over traditional bacterial cloning to generate large quantities of a specific piece of DNA?

If you cut out a gene using the restriction enzymes EcoRI and BamHI, what enzyme(s) will you need to insert the gene into another chromosome?

If the DNA fingerprint of a suspect does NOT match a blood sample from a crime scene, what can you conclude?

There are potential risks in performing recombinant DNA research on humans and plants.

Ligase enzymes are used to covalently bind together pieces of DNA.)

All of the following are benefits of sequencing the human genome EXCEPT

In biotechnology research, DNA fragments created by restriction enzyme action are separated from one another via

DNA is negatively charged because of its

All of the following are ways in which scientists can transfect an organism EXCEPT

Enzymes that cut double-stranded DNA at specific sites are called_________ .

Restriction enzymes have the ability to cut DNA at specific nucleotide sequences.

The genetic recombination of _________caused massive, widespread epidemics that affected the global human population several times in the twentieth century.

All of the following have been produced by inserting human genes into bacteria EXCEPT

Restriction enzymes

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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