Question 1

-The above figure represents

Accepted Answer

A)  cloning with a stem cell. 
B)  somatic cell nuclear transfer. 
C)  genetic manipulation of a single gene. 
D)  microsurgical manipulation of a chromosome. 
E)  none of these. 
A)  cloning with a stem cell. 
B)  somatic cell nuclear transfer. 
C)  genetic manipulation of a single gene. 
D)  microsurgical manipulation of a chromosome. 
E)  none of these.

Question 2

Which of the following is NOT true of adult cell cloning?

Accepted Answer

A)  It involves differentiated cells. 
B)  It occurs with some frequency in nature. 
C)  It involves rewinding the developmental clock. 
D)  It involves an egg cell that has had its nucleus removed. 
E)  It may involve nuclear transfer. 
A)  It involves differentiated cells. 
B)  It occurs with some frequency in nature. 
C)  It involves rewinding the developmental clock. 
D)  It involves an egg cell that has had its nucleus removed. 
E)  It may involve nuclear transfer.

Question 3

In the spiral staircase model of DNA, the rungs are

Accepted Answer

A)  deoxyribose sugars. 
B)  hydrogen bonds. 
C)  nucleotide base pairs. 
D)  phosphate groups. 
E)  composed of all of these. 
A)  deoxyribose sugars. 
B)  hydrogen bonds. 
C)  nucleotide base pairs. 
D)  phosphate groups. 
E)  composed of all of these.

Question 4

Consider the Hershey-Chase experiment.Is their choice of a bacteriophage unusual?

Accepted Answer

At first glance, it is very unusual.Viru

Question 5

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae.
-Which scientist(s) identified the transforming substance involved in changing rough (R) bacteria to smooth (S)?

Accepted Answer

A)  Avery and McCarty 
B)  Griffith 
C)  Chargaff 
D)  Hershey and Chase 
E)  Pauling 
A)  Avery and McCarty 
B)  Griffith 
C)  Chargaff 
D)  Hershey and Chase 
E)  Pauling

Question 6

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae.
-If the syringe contains live S strain Streptococcus pneumoniae

Accepted Answer

A)  the mouse will die. 
B)  live R strain will be detected in the mouse's blood. 
C)  the mouse will live. 
D)  no live S strain will be detected in the mouse's blood. 
E)  the live S strain bacteria will lose their pathogenicity. 
A)  the mouse will die. 
B)  live R strain will be detected in the mouse's blood. 
C)  the mouse will live. 
D)  no live S strain will be detected in the mouse's blood. 
E)  the live S strain bacteria will lose their pathogenicity.

Question 7

Which of the following is determined about DNA from X-ray diffraction data?

Accepted Answer

A)  DNA is uniform in diameter. 
B)  DNA is long and narrow. 
C)  Part of the DNA molecule repeats itself often. 
D)  The DNA molecule is spiraled. 
E)  All of these are determined. 
A)  DNA is uniform in diameter. 
B)  DNA is long and narrow. 
C)  Part of the DNA molecule repeats itself often. 
D)  The DNA molecule is spiraled. 
E)  All of these are determined.

Question 8

Classification.Answer the following questions in reference to the five nucleotides listed below:
a.guanine
b.cytosine
c.pyrimidine
d.thymine
e.uracil
-A free nucleotide has a five carbon sugar (deoxyribose), __________ phosphate groups, and one of four nitrogen-containing bases.

Accepted Answer

The answer of Classification.Answer the following questions in reference to...

Question 9

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae.
-If the syringe contains live R strain Streptococcus pneumoniae

Accepted Answer

A)  the mouse will die. 
B)  live S strain will be detected in the mouse's blood. 
C)  the mouse will live. 
D)  no live R strain will be detected in the mouse's blood. 
E)  the live R strain bacteria will develop pathogenicity. 
A)  the mouse will die. 
B)  live S strain will be detected in the mouse's blood. 
C)  the mouse will live. 
D)  no live R strain will be detected in the mouse's blood. 
E)  the live R strain bacteria will develop pathogenicity.

Question 10

Classification.Answer the following questions in reference to the five nucleotides listed below:
a.guanine
b.cytosine
c.pyrimidine
d.thymine
e.uracil
-If one chain of a DNA molecule has a purine at a given position, this complements it on the other chain.

Accepted Answer

The answer of Classification.Answer the following questions in reference to...

Question 11

Classification.Answer the following questions in reference to the five nucleotides listed below:
a.guanine
b.cytosine
c.pyrimidine
d.thymine
e.uracil
-This nucleotide is a double-ring molecule.

Accepted Answer

The answer of Classification.Answer the following questions in reference to...

Question 12

Hydrogen bonding is strongest between

Accepted Answer

A)  adenine and guanine. 
B)  uracil and thymine. 
C)  guanine and uracil. 
D)  adenine and thymine. 
E)  cytocine and guanine. 
A)  adenine and guanine. 
B)  uracil and thymine. 
C)  guanine and uracil. 
D)  adenine and thymine. 
E)  cytocine and guanine.

Question 13

Does reproductive cloning always involve somatic cell nuclear transfer?

Accepted Answer

No, reproductive cloning can also be don

Question 14

The function of helicase enzymes is to

Accepted Answer

A)  break hydrogen bonds and unwind the two strands of the DNA molecule prior to replication. 
B)  rewind the two DNA molecules after replication. 
C)  remove bases that might have been inserted incorrectly. 
D)  seal new short stretches of nucleotides into one continuous strand. 
E)  fragment old DNA that is no longer of use to the cell. 
A)  break hydrogen bonds and unwind the two strands of the DNA molecule prior to replication. 
B)  rewind the two DNA molecules after replication. 
C)  remove bases that might have been inserted incorrectly. 
D)  seal new short stretches of nucleotides into one continuous strand. 
E)  fragment old DNA that is no longer of use to the cell.

Question 15

How many pairs of autosomes are in a typical human karyotype?

Accepted Answer

A)  1 
B)  22 
C)  23 
D)  46 
E)  92 
A)  1 
B)  22 
C)  23 
D)  46 
E)  92

Question 16

DNA contains all of the following nitrogen-containing bases EXCEPT

Accepted Answer

A)  adenine. 
B)  uracil. 
C)  guanine. 
D)  adenine 
E)  thymine. 
A)  adenine. 
B)  uracil. 
C)  guanine. 
D)  adenine 
E)  thymine.

Question 17

In __________ one cell from an adult is fused with an enucleated egg.

Accepted Answer

somatic ce

Question 18

MATCHING
Choose the one most appropriate answer for each.
a.discovered that the hereditary system of one strain of bacteria could be transformed by the hereditary system from another strain of bacteria
b.first to discover DNA and isolate it from fish sperm
c.discovered that DNA-digesting enzymes prevented bacterial transformation
d.the first to build an accurate model of DNA and to describe it explicitly in a publication
e.the first to demonstrate, through the use of radioactive isotopes, that DNA, not protein, is the genetic material
f.provided two important clues to the structure of DNA; one clue is that A = T and the other is that C = G
g.discovered the structure of collagen
h.obtained excellent X-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units
-Franklin

Accepted Answer

The answer of MATCHING
Choose the one most appropriate answer for...

Question 19

Rosalind Franklin used which technique to determine many of the physical characteristics of DNA?

Accepted Answer

A)  transformation 
B)  transmission electron microscopy 
C)  density-gradient centrifugation 
D)  X-ray diffraction 
E)  all of these 
A)  transformation 
B)  transmission electron microscopy 
C)  density-gradient centrifugation 
D)  X-ray diffraction 
E)  all of these

Question 20

DNA polymerase assembles new strands

Accepted Answer

A)  in a 5' to 3' direction only. 
B)  in a 5' to 3' direction building one strand and a 3' to 5' direction building the other stand. 
C)  in a 5' to 3' direction building the first half of a strand and a 3' to 5' direction building the second half of a strand. 
D)  in a 3' to 5' direction building the first half of a strand and a 5' to 3' direction building the second half of a strand. 
E)  in a 3' to 5' direction on the "old" 3' to 5' strand. 
A)  in a 5' to 3' direction only. 
B)  in a 5' to 3' direction building one strand and a 3' to 5' direction building the other stand. 
C)  in a 5' to 3' direction building the first half of a strand and a 3' to 5' direction building the second half of a strand. 
D)  in a 3' to 5' direction building the first half of a strand and a 5' to 3' direction building the second half of a strand. 
E)  in a 3' to 5' direction on the "old" 3' to 5' strand.

Exam 8: Dna Structure and Function

-The above figure represents

Which of the following is NOT true of adult cell cloning?

In the spiral staircase model of DNA, the rungs are

Consider the Hershey-Chase experiment.Is their choice of a bacteriophage unusual?

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae. -Which scientist(s) identified the transforming substance involved in changing rough (R) bacteria to smooth (S)?

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae. -If the syringe contains live S strain Streptococcus pneumoniae

Which of the following is determined about DNA from X-ray diffraction data?

Classification.Answer the following questions in reference to the five nucleotides listed below: a.guanine b.cytosine c.pyrimidine d.thymine e.uracil -A free nucleotide has a five carbon sugar (deoxyribose), __________ phosphate groups, and one of four nitrogen-containing bases.

The following questions refer to the figure above and to the Fred Griffith experiments involving Streptococcus pneumoniae. -If the syringe contains live R strain Streptococcus pneumoniae

Classification.Answer the following questions in reference to the five nucleotides listed below: a.guanine b.cytosine c.pyrimidine d.thymine e.uracil -If one chain of a DNA molecule has a purine at a given position, this complements it on the other chain.

Classification.Answer the following questions in reference to the five nucleotides listed below: a.guanine b.cytosine c.pyrimidine d.thymine e.uracil -This nucleotide is a double-ring molecule.

Hydrogen bonding is strongest between

Does reproductive cloning always involve somatic cell nuclear transfer?

The function of helicase enzymes is to

How many pairs of autosomes are in a typical human karyotype?

DNA contains all of the following nitrogen-containing bases EXCEPT

In __________ one cell from an adult is fused with an enucleated egg.

Rosalind Franklin used which technique to determine many of the physical characteristics of DNA?

DNA polymerase assembles new strands

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

How Cells Release Chemical Energy

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

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Ecosystems

The Biosphere

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