Question 1

How is the codon related to the genetic code?

Accepted Answer

A codon is a set of three bases on the m

Question 2

The difference between mRNA and tRNA is that

Accepted Answer

A)  mRNA carries the gene sequence and tRNA translates the gene sequence. 
B)  tRNA models the message and mRNA reads the message. 
C)  mRNA is inside the cell and tRNA is outside the cell. 
D)  tRNA carries a code of bases and mRNA decodes this. 
E)  mRNA magnifies the gene sequence and tRNA truncates the gene sequence. 
A)  mRNA carries the gene sequence and tRNA translates the gene sequence. 
B)  tRNA models the message and mRNA reads the message. 
C)  mRNA is inside the cell and tRNA is outside the cell. 
D)  tRNA carries a code of bases and mRNA decodes this. 
E)  mRNA magnifies the gene sequence and tRNA truncates the gene sequence.

Question 3

Which of the following statements about DNA is false?

Accepted Answer

A)  DNA molecules are made of smaller molecules. 
B)  Every living cell on earth contains DNA molecules. 
C)  DNA strands contain alternating sugar and phosphate molecules. 
D)  DNA is the mirror opposite of RNA. 
E)  Hydrogen bonds join the two sides of the DNA ladder. 
A)  DNA molecules are made of smaller molecules. 
B)  Every living cell on earth contains DNA molecules. 
C)  DNA strands contain alternating sugar and phosphate molecules. 
D)  DNA is the mirror opposite of RNA. 
E)  Hydrogen bonds join the two sides of the DNA ladder.

Question 4

In what way does Gregor Mendel represent the quintessential scientist?

Accepted Answer

Mendel started with a simple question an

Question 5

What is the cellular function of deoxyribonucleic acid? 
1) provides structure to the nucleus
2) governs all chemical functions
3) carries inheritance information
4) serves as an antibiotic for bacteria

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  Both 2 and 3 
A)  1 
B)  2 
C)  3 
D)  4 
E)  Both 2 and 3

Question 6

What was the discovery in the "Columbia fly room" that led to a tenet of modern genetics?

Accepted Answer

Work with fruit flies in the "

Question 7

Elaborate on the central rule of molecular biology - "One gene codes for one protein."

Accepted Answer

A particular section of DNA (one gene) w

Question 8

What would make you more susceptible to viral attack?

Accepted Answer

A)  moving to Tokyo 
B)  spending a year living abroad 
C)  wilderness camping in Kenya 
D)  all of these are correct 
E)  none of these are correct 
A)  moving to Tokyo 
B)  spending a year living abroad 
C)  wilderness camping in Kenya 
D)  all of these are correct 
E)  none of these are correct

Question 9

Which statement about viruses is false?

Accepted Answer

A)  Viruses kill the cell. 
B)  Viruses are RNA segments coated with protein. 
C)  Viruses can metabolize. 
D)  Viruses are DNA segments coated with protein. 
E)  Viruses use the cell's enzymes. 
A)  Viruses kill the cell. 
B)  Viruses are RNA segments coated with protein. 
C)  Viruses can metabolize. 
D)  Viruses are DNA segments coated with protein. 
E)  Viruses use the cell's enzymes.

Question 10

Why do children resemble their parents?

Accepted Answer

A)  Parents and children usually share an environment. 
B)  RNA carries the genes for physical features from parents to children. 
C)  Children's genes are a combination of the base-pair sequence in the genes of both parents. 
D)  Family members look alike by chance. 
E)  A child's physical features are determined in utero. 
A)  Parents and children usually share an environment. 
B)  RNA carries the genes for physical features from parents to children. 
C)  Children's genes are a combination of the base-pair sequence in the genes of both parents. 
D)  Family members look alike by chance. 
E)  A child's physical features are determined in utero.

Question 11

What is a gene?

Accepted Answer

A)  a particular stretch of DNA located on a chromosome 
B)  several chromosomes that control physical features 
C)  a combination of tRNA, mRNA, and rRNA 
D)  the hydrogen bonds of the DNA base pairs 
E)  an amino acid string 
A)  a particular stretch of DNA located on a chromosome 
B)  several chromosomes that control physical features 
C)  a combination of tRNA, mRNA, and rRNA 
D)  the hydrogen bonds of the DNA base pairs 
E)  an amino acid string

Question 12

What is the definition of a gene?

Accepted Answer

A gene is a stretch

Question 13

How do antibiotics work?

Accepted Answer

Antibiotics block particular enzymes in

Question 14

What is a mutation and how is it caused?

Accepted Answer

A mutation is the change in th

Question 15

Now that the Human Genome Project has been completed, what are the research goals for J. Craig Venter, who led that project but now heads a research institute?

Accepted Answer

Answers will vary, however one

Question 16

What is the definition of the human genome?

Accepted Answer

The human genome is

Question 17

Which of these processes precedes fertilization?

Accepted Answer

A)  oxidation 
B)  respiration 
C)  mitosis 
D)  meiosis 
E)  mutation 
A)  oxidation 
B)  respiration 
C)  mitosis 
D)  meiosis 
E)  mutation

Question 18

Where is AIDS though to have arisen and how might this virus have spread to humans?

Accepted Answer

AIDS is thought to have develo

Question 19

From a mutation standpoint, why is it advisable for people to be immunized against influenza virus each year?

Accepted Answer

Influenza virus can mutate so rapidly th

Question 20

Which of the following diseases is not hereditary?

Accepted Answer

A)  sickle-cell anemia 
B)  cystic fibrosis 
C)  Familial tendencies to develop cancer 
D)  arthritis 
E)  All of these are hereditary. 
A)  sickle-cell anemia 
B)  cystic fibrosis 
C)  Familial tendencies to develop cancer 
D)  arthritis 
E)  All of these are hereditary.

Exam 23: Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

How is the codon related to the genetic code?

The difference between mRNA and tRNA is that

Which of the following statements about DNA is false?

In what way does Gregor Mendel represent the quintessential scientist?

What is the cellular function of deoxyribonucleic acid? 1) provides structure to the nucleus 2) governs all chemical functions 3) carries inheritance information 4) serves as an antibiotic for bacteria

What was the discovery in the "Columbia fly room" that led to a tenet of modern genetics?

Elaborate on the central rule of molecular biology - "One gene codes for one protein."

What would make you more susceptible to viral attack?

Which statement about viruses is false?

Why do children resemble their parents?

What is a gene?

What is the definition of a gene?

How do antibiotics work?

What is a mutation and how is it caused?

Now that the Human Genome Project has been completed, what are the research goals for J. Craig Venter, who led that project but now heads a research institute?

What is the definition of the human genome?

Which of these processes precedes fertilization?

Where is AIDS though to have arisen and how might this virus have spread to humans?

From a mutation standpoint, why is it advisable for people to be immunized against influenza virus each year?

Which of the following diseases is not hereditary?

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

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

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