Question 1

DNA replication is ____.

Accepted Answer

A)  ​redundant 
B)  ​semiconservative 
C)  ​progressive 
D)  ​conservative 
E)  ​repetitive 
A)  ​redundant 
B)  ​semiconservative 
C)  ​progressive 
D)  ​conservative 
E)  ​repetitive

Question 2

Choose the one most appropriate answer for each.
-Watson and Crick

Accepted Answer

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 describe DNA and extract it from cell nuclei 
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)worked at King's College at the same time as Franklin
H)obtained excellent x-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units 
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 describe DNA and extract it from cell nuclei 
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)worked at King's College at the same time as Franklin
H)obtained excellent x-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units

Question 3

The experiments that clearly distinguished DNA and not protein as the hereditary material were conducted by _____.

Accepted Answer

A)  ​Pauling 
B)  ​Hershey and Chase 
C)  ​Griffith 
D)  ​Watson and Crick 
E)  ​Avery 
A)  ​Pauling 
B)  ​Hershey and Chase 
C)  ​Griffith 
D)  ​Watson and Crick 
E)  ​Avery

Question 4

Figure 8.3
 
Answer the following question about Griffith's experiments involving Streptococcus pneumoniae. 
-Extracts of pathogenic bacteria can transform harmless bacteria to harmful bacteria unless ____ enzymes are added to the extract.

Accepted Answer

A)  ​protein transfer 
B)  ​mRNA-degrading 
C)  ​tRNA-degrading 
D)  ​DNA-degrading 
E)  ​nucleic transfer 
A)  ​protein transfer 
B)  ​mRNA-degrading 
C)  ​tRNA-degrading 
D)  ​DNA-degrading 
E)  ​nucleic transfer

Question 5

James Watson and Francis Crick ____.

Accepted Answer

A)  ​were both English researchers working at Cambridge University 
B)  ​performed elegant experiments in DNA chemistry 
C)  ​constructed an accurate model of DNA's double helix structure 
D)  ​performed experiments that convinced scientists that DNA is a double-stranded molecule 
E)  ​used x-ray diffraction in all of their experiments 
A)  ​were both English researchers working at Cambridge University 
B)  ​performed elegant experiments in DNA chemistry 
C)  ​constructed an accurate model of DNA's double helix structure 
D)  ​performed experiments that convinced scientists that DNA is a double-stranded molecule 
E)  ​used x-ray diffraction in all of their experiments

Question 6

DNA polymerase assembles new strands in a ____.

Accepted Answer

A)  ​5' to 3' direction only 
B)  ​5' to 3' direction building one strand and a 3' to 5' direction building the other stand 
C)  ​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)  ​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)  ​3' to 5' direction on the "old" 3' to 5' strand 
A)  ​5' to 3' direction only 
B)  ​5' to 3' direction building one strand and a 3' to 5' direction building the other stand 
C)  ​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)  ​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)  ​3' to 5' direction on the "old" 3' to 5' strand

Question 7

What characteristic of a species refers to having two of each type of chromosome?

Accepted Answer

A)  ​autosomal 
B)  ​karyotype 
C)  ​diploid 
D)  ​base-paired 
E)  ​helical 
A)  ​autosomal 
B)  ​karyotype 
C)  ​diploid 
D)  ​base-paired 
E)  ​helical

Question 8

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

Accepted Answer

A)  ​8 
B)  ​22 
C)  ​23 
D)  ​46 
E)  ​92 
A)  ​8 
B)  ​22 
C)  ​23 
D)  ​46 
E)  ​92

Question 9

Answer the following question in reference to the five nucleotides listed below:
-This nucleotide is not incorporated into the structure of the DNA helix.

Accepted Answer

A) ​guanine 
B) ​cytosine 
C) ​pyrimidine 
D) ​thymine 
E) ​uracil 
A) ​guanine 
B) ​cytosine 
C) ​pyrimidine 
D) ​thymine 
E) ​uracil

Question 10

Figure 8.3
 
Answer the following question about Griffith's experiments involving Streptococcus pneumoniae. 
-If an injection to the mouse contains live R strain Streptococcus pneumonia, _____.

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 11

Figure 8.4
  
-What is the concept illustrated by the experiment in the accompanying figure?

Accepted Answer

A)  ​Protein is not the encoding material. 
B)  ​Protein cannot enter the host cell. 
C)  ​Protein renatures due to radiation. 
D)  Protein is composed of subunits with phosphate.​ 
E)  ​Protein is composed of subunits with sulfur. 
A)  ​Protein is not the encoding material. 
B)  ​Protein cannot enter the host cell. 
C)  ​Protein renatures due to radiation. 
D)  Protein is composed of subunits with phosphate.​ 
E)  ​Protein is composed of subunits with sulfur.

Question 12

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 13

Answer the following question in reference to the five nucleotides listed below:
-Three hydrogen bonds connect guanine to __________ in the DNA molecule.

Accepted Answer

A) ​guanine 
B) ​cytosine 
C) ​pyrimidine 
D) ​thymine 
E) ​uracil 
A) ​guanine 
B) ​cytosine 
C) ​pyrimidine 
D) ​thymine 
E) ​uracil

Question 14

Choose the one most appropriate answer for each.
-Wilkins

Accepted Answer

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 describe DNA and extract it from cell nuclei 
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)worked at King's College at the same time as Franklin
H)obtained excellent x-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units 
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 describe DNA and extract it from cell nuclei 
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)worked at King's College at the same time as Franklin
H)obtained excellent x-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units

Question 15

Experiments with bacteria and ____________________ offered solid evidence that deoxyribonucleic acid (DNA), not protein, is the hereditary material.

Accepted Answer

The answer of Experiments with bacteria and ____________________ offered solid...

Question 16

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 17

Figure 8.4
  
-The Hershey and Chase experiments, in which radioactive phosphorus (32P) and radioactive sulfur (35S) were used, demonstrated that ____.

Accepted Answer

A)  ​DNA labeled with 35S and proteins labeled with 32P can be traced over the course of an experiment 
B)  ​DNA labeled with 32P is transferred from the bacteriophage to the virus 
C)  ​proteins labeled with 35S become deactivated and unable to be transferred 
D)  bacteriophages transfer their DNA, not their coat proteins, into their hosts 
E)  ​DNA may be the hereditary material, although bacteriophages transfer both DNA and proteins into their hosts 
A)  ​DNA labeled with 35S and proteins labeled with 32P can be traced over the course of an experiment 
B)  ​DNA labeled with 32P is transferred from the bacteriophage to the virus 
C)  ​proteins labeled with 35S become deactivated and unable to be transferred 
D)  bacteriophages transfer their DNA, not their coat proteins, into their hosts 
E)  ​DNA may be the hereditary material, although bacteriophages transfer both DNA and proteins into their hosts

Question 18

Which statement is false with regard to 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 19

A free nucleotide has a five carbon sugar (deoxyribose), ____________________ phosphate group(s), and one of four nitrogen-containing bases.

Accepted Answer

The answer of A free nucleotide has a five carbon...

Question 20

-The accompanying 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)  ​embryonic cloning 
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)  ​embryonic cloning

Exam 8: Dna Structure and Function

DNA replication is ____.

Choose the one most appropriate answer for each. -Watson and Crick

The experiments that clearly distinguished DNA and not protein as the hereditary material were conducted by _____.

Figure 8.3 Answer the following question about Griffith's experiments involving Streptococcus pneumoniae. -Extracts of pathogenic bacteria can transform harmless bacteria to harmful bacteria unless ____ enzymes are added to the extract.

James Watson and Francis Crick ____.

DNA polymerase assembles new strands in a ____.

What characteristic of a species refers to having two of each type of chromosome?

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

Answer the following question in reference to the five nucleotides listed below: -This nucleotide is not incorporated into the structure of the DNA helix.

Figure 8.3 Answer the following question about Griffith's experiments involving Streptococcus pneumoniae. -If an injection to the mouse contains live R strain Streptococcus pneumonia, _____.

Figure 8.4 -What is the concept illustrated by the experiment in the accompanying figure?

DNA contains all of the following nitrogen-containing bases EXCEPT ____.

Answer the following question in reference to the five nucleotides listed below: -Three hydrogen bonds connect guanine to __________ in the DNA molecule.

Choose the one most appropriate answer for each. -Wilkins

Experiments with bacteria and ____________________ offered solid evidence that deoxyribonucleic acid (DNA), not protein, is the hereditary material.

The function of helicase enzymes is to ____.

Figure 8.4 -The Hershey and Chase experiments, in which radioactive phosphorus (32P) and radioactive sulfur (35S) were used, demonstrated that ____.

Which statement is false with regard to adult cell cloning?

A free nucleotide has a five carbon sugar (deoxyribose), ____________________ phosphate group(s), and one of four nitrogen-containing bases.

-The accompanying figure represents ____.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

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

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

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

Filters