Question 1

Figure 8.12
-In the accompanying figure,the green rectangular shape represents__________.

Accepted Answer

A)  DNA transferase 
B)  DNA helicase 
C)  RNA polymerase 
D)  DNA polymerase 
E)  DNA hybridization 
A)  DNA transferase 
B)  DNA helicase 
C)  RNA polymerase 
D)  DNA polymerase 
E)  DNA hybridization

Question 2

How many nucleotides can be added by eukaryotic polymerases per second?

Accepted Answer

A)  400 
B)  40 
C)  500 
D)  50 
E)  1,000 
A)  400 
B)  40 
C)  500 
D)  50 
E)  1,000

Question 3

Choose the one most appropriate answer for each.
-Franklin

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 4

One current goal of cloning is to ____.

Accepted Answer

A)  duplicate certain humans 
B)  create new species 
C)  promote evolution 
D)  experiment with alien DNA 
E)  retain an animal's desirable characteristics 
A)  duplicate certain humans 
B)  create new species 
C)  promote evolution 
D)  experiment with alien DNA 
E)  retain an animal's desirable characteristics

Question 5

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 6

Name the structure in which proteins associate with DNA and pack it very tightly by organizing the molecules.

Accepted Answer

A)  Histones 
B)  Chromosomes 
C)  Lysosomes 
D)  Ribosomes 
E)  Homologous lysosomes 
A)  Histones 
B)  Chromosomes 
C)  Lysosomes 
D)  Ribosomes 
E)  Homologous lysosomes

Question 7

The function of helicase enzymes is to ____.

Accepted Answer

A)  break hydrogen bonds between 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 between 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 8

Which base-pairing system is correct?

Accepted Answer

A)  A to G; T to C 
B)  A to T; G to C 
C)  A to C; G to T 
D)  A to T or C; G to C or A 
E)  A to T or G; G to C or A 
A)  A to G; T to C 
B)  A to T; G to C 
C)  A to C; G to T 
D)  A to T or C; G to C or A 
E)  A to T or G; G to C or A

Question 9

Which statement is true of embryonic splitting?

Accepted Answer

A)  It never occurs in nature. 
B)  It involves the genetic contribution of only one parent. 
C)  It produces immediate differentiation. 
D)  It is applied in animal husbandry to produce genetically diverse offspring. 
E)  It produces identical twins. 
A)  It never occurs in nature. 
B)  It involves the genetic contribution of only one parent. 
C)  It produces immediate differentiation. 
D)  It is applied in animal husbandry to produce genetically diverse offspring. 
E)  It produces identical twins.

Question 10

If a mixture of bacteriophages,some labeled with radioactive sulfur and others labeled with radioactive phosphorus,is placed in a bacterial culture,the bacteria will eventually contain ____.

Accepted Answer

A)  primarily radioactive sulfur 
B)  primarily radioactive phosphorus 
C)  both radioactive sulfur and phosphorus 
D)  neither radioactive sulfur nor radioactive phosphorus 
E)  complete viruses with radioactive sulfur coats 
A)  primarily radioactive sulfur 
B)  primarily radioactive phosphorus 
C)  both radioactive sulfur and phosphorus 
D)  neither radioactive sulfur nor radioactive phosphorus 
E)  complete viruses with radioactive sulfur coats

Question 11

Semiconservative replication is so-called because one strand of each new DNA molecule is ____________________,while the other is ______________________.

Accepted Answer

Conserved/

Question 12

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 13

Classification. Answer the following questions 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

An enzyme that seals gaps or breaks in double stranded DNA is called _________.

Accepted Answer

A)  DNA autosome 
B)  DNA polymerase 
C)  DNA replication 
D)  DNA diploid 
E)  DNA ligase 
A)  DNA autosome 
B)  DNA polymerase 
C)  DNA replication 
D)  DNA diploid 
E)  DNA ligase

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

Choose the one most appropriate answer for each.
-Chargaff

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 17

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 18

Answer the following questions about Griffith's experiments involving Streptococcus pneumoniae.   Figure 8.3

-If an injection to the mouse contains live S strain Streptococcus pneumonia,____.

Accepted Answer

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

Question 19

Watson and Crick were the first to ____________.

Accepted Answer

A)  discover DNA's double helical structure 
B)  discover DNA 
C)  isolate DNA 
D)  build the first DNA model 
E)  clone DNA 
A)  discover DNA's double helical structure 
B)  discover DNA 
C)  isolate DNA 
D)  build the first DNA model 
E)  clone DNA

Question 20

In somatic cell nuclear transfer,a somatic cell is injected into an ________ egg,thus providing a ________ nucleus.

Accepted Answer

The answer of In somatic cell nuclear transfer,a somatic cell...

Exam 8: DNA Structure and Function

Figure 8.12 -In the accompanying figure,the green rectangular shape represents__________.

How many nucleotides can be added by eukaryotic polymerases per second?

Choose the one most appropriate answer for each. -Franklin

One current goal of cloning is to ____.

DNA replication is ____.

Name the structure in which proteins associate with DNA and pack it very tightly by organizing the molecules.

The function of helicase enzymes is to ____.

Which base-pairing system is correct?

Which statement is true of embryonic splitting?

If a mixture of bacteriophages,some labeled with radioactive sulfur and others labeled with radioactive phosphorus,is placed in a bacterial culture,the bacteria will eventually contain ____.

Semiconservative replication is so-called because one strand of each new DNA molecule is ____________________,while the other is ______________________.

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

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

An enzyme that seals gaps or breaks in double stranded DNA is called _________.

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

Choose the one most appropriate answer for each. -Chargaff

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

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

Watson and Crick were the first to ____________.

In somatic cell nuclear transfer,a somatic cell is injected into an ________ egg,thus providing a ________ nucleus.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

From DNA to Protein

Control of Gene Expression

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

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human 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 System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

Semiconservative replication is so-called because one strand of each new DNA molecule is ,while the other is __.

In somatic cell nuclear transfer,a somatic cell is injected into an egg,thus providing a nucleus.