Question 1

What is therapeutic cloning?

Accepted Answer

This kind of cloning stops short of implanting an embryo and is done for medical purposes or to improve human health and well-being. This differs from reproductive cloning, which is intended to produce another adult.

Question 2

How do most modern medicines work?

Accepted Answer

A)  When patients have faith in their doctors, medicines will bring about desired physical changes. 
B)  Medicines are molecules shaped in a way that can alter cell chemistry. 
C)  All medicines are essentially placebos; patients ultimately heal themselves. 
D)  All of these describe how medicines work. 
E)  None of these describes how medicines work. 
A)  When patients have faith in their doctors, medicines will bring about desired physical changes. 
B)  Medicines are molecules shaped in a way that can alter cell chemistry. 
C)  All medicines are essentially placebos; patients ultimately heal themselves. 
D)  All of these describe how medicines work. 
E)  None of these describes how medicines work. B

Question 3

How do genetic defects promote cancer in many individuals who were born with these defects?

Accepted Answer

Individuals with genetic defects have inherited an abnormality in one of their genes. This defect is within all their cells. Because cancer is a disease of the reproduction of cells, these defects may trigger tumor development just because they are there.

Question 4

What does a protease inhibitor do?

Accepted Answer

A)  dissolves the virus wall in HIV 
B)  enhances the body's auto immune system 
C)  blocks the enzyme that controls insertion of HIV material into the cell 
D)  protects the organism from infection 
E)  cuts the HIV into many pieces 
A)  dissolves the virus wall in HIV 
B)  enhances the body's auto immune system 
C)  blocks the enzyme that controls insertion of HIV material into the cell 
D)  protects the organism from infection 
E)  cuts the HIV into many pieces

Question 5

How does a cell repair itself in a natural system?

Accepted Answer

The DNA in a cell has two mechanisms for

Question 6

What is a point defect?

Accepted Answer

A)  the byproduct of cellular respiration 
B)  a mistake in the order of DNA bases 
C)  a slip in the DNA strand 
D)  an enzyme patrolling the cytoplasm 
E)  a mismatch in the double helix at a site 
A)  the byproduct of cellular respiration 
B)  a mistake in the order of DNA bases 
C)  a slip in the DNA strand 
D)  an enzyme patrolling the cytoplasm 
E)  a mismatch in the double helix at a site

Question 7

Stem cells are called __________ cells.

Accepted Answer

A)  chromosomes 
B)  gastrula 
C)  pluripotent 
D)  Parkinson's 
E)  therapeutic 
A)  chromosomes 
B)  gastrula 
C)  pluripotent 
D)  Parkinson's 
E)  therapeutic

Question 8

What is the danger of commercial and natural pesticides?

Accepted Answer

That pesticide molecules cause

Question 9

What is the definition of genetic engineering?

Accepted Answer

Genetic engineering is a proce

Question 10

A cancerous cell

Accepted Answer

A)  is ingested when a person consumes genetically engineered tomatoes and corn. 
B)  is a natural occurrence in most people. 
C)  is a normal cell that has experienced chromosomal damage. 
D)  is not common in persons with genetic defects. 
E)  all of these are correct. 
A)  is ingested when a person consumes genetically engineered tomatoes and corn. 
B)  is a natural occurrence in most people. 
C)  is a normal cell that has experienced chromosomal damage. 
D)  is not common in persons with genetic defects. 
E)  all of these are correct.

Question 11

DNA can be found in all samples except

Accepted Answer

A)  saliva. 
B)  blood. 
C)  semen. 
D)  hair shaft. 
E)  skin. 
A)  saliva. 
B)  blood. 
C)  semen. 
D)  hair shaft. 
E)  skin.

Question 12

Explain the statement "Whenever fundamental new insights into the workings of nature have been gained in the past, major changes in the human condition have followed."

Accepted Answer

New knowledge at the molecular

Question 13

Describe a double-blind clinical trial.

Accepted Answer

A group of patients suffering from a par

Question 14

How is the anthrax spore made into a weapon?

Accepted Answer

Anthrax in nature is rather common, but

Question 15

Genetic diseases are usually caused by

Accepted Answer

A)  the presence of a particular enzyme. 
B)  the lack of a particular protein. 
C)  an incorrect sequence of bases in a gene. 
D)  a defective gene on chromosome 7. 
E)  the lack of a particular protein and an incorrect sequence of bases in a gene. 
A)  the presence of a particular enzyme. 
B)  the lack of a particular protein. 
C)  an incorrect sequence of bases in a gene. 
D)  a defective gene on chromosome 7. 
E)  the lack of a particular protein and an incorrect sequence of bases in a gene.

Question 16

Which of the following can damage DNA?

Accepted Answer

A)  the byproducts of cellular respiration 
B)  several varieties of oxidants 
C)  molecules from some processed foods 
D)  high energy radiation 
E)  all of these are correct 
A)  the byproducts of cellular respiration 
B)  several varieties of oxidants 
C)  molecules from some processed foods 
D)  high energy radiation 
E)  all of these are correct

Question 17

What does it mean when geneticists say "daughtering out" or "son out"?

Accepted Answer

The term "daughtering out" means that fa

Question 18

What three agencies in the U.S. control the manufacture of genetically modified organisms?

Accepted Answer

The Department of Agriculture,

Question 19

What is the difference between in vitro and in vivo gene therapy?

Accepted Answer

A)  In vivo is a computer-designed procedure that has never been tried while in vitro has been in practice for two decades. 
B)  In vivo is a process completed outside the human body and in vitro takes place inside the human body. 
C)  In vitro is a process completed outside the human body and in vivo takes place inside the human body. 
D)  In vitro is a computer-designed procedure that has never been tried while in vivo has been in practice two decades. 
E)  These procedures are the same. 
A)  In vivo is a computer-designed procedure that has never been tried while in vitro has been in practice for two decades. 
B)  In vivo is a process completed outside the human body and in vitro takes place inside the human body. 
C)  In vitro is a process completed outside the human body and in vivo takes place inside the human body. 
D)  In vitro is a computer-designed procedure that has never been tried while in vivo has been in practice two decades. 
E)  These procedures are the same.

Question 20

Regarding cells in the developing human embryo, what is differentiation?

Accepted Answer

The division of cells into spe

Exam 24: The New Science of Life: Can We Cure Cancer

What is therapeutic cloning?

How do most modern medicines work?

How do genetic defects promote cancer in many individuals who were born with these defects?

What does a protease inhibitor do?

How does a cell repair itself in a natural system?

What is a point defect?

Stem cells are called __________ cells.

What is the danger of commercial and natural pesticides?

What is the definition of genetic engineering?

A cancerous cell

DNA can be found in all samples except

Explain the statement "Whenever fundamental new insights into the workings of nature have been gained in the past, major changes in the human condition have followed."

Describe a double-blind clinical trial.

How is the anthrax spore made into a weapon?

Genetic diseases are usually caused by

Which of the following can damage DNA?

What does it mean when geneticists say "daughtering out" or "son out"?

What three agencies in the U.S. control the manufacture of genetically modified organisms?

What is the difference between in vitro and in vivo gene therapy?

Regarding cells in the developing human embryo, what is differentiation?

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Electricity and Magnetism: What Is Lightning

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

The Atom: Why Are There so Many Different Materials in the World

Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

Evolution: How Did Life Emerge on the Ancient Earth

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