Question 1

What are the benefits,real and potential,of adult cell cloning?

Accepted Answer

A)  the timing of the production of offspring can be controlled 
B)  cloned animals will be consistently the same as their donor 
C)  cloned cells can be used to study the processes of cell differentiation 
D)  cloned cells can be used to study the process of diseases and thus potentially lead to cures 
E)  all of these are benefits of adult cell cloning 
A)  the timing of the production of offspring can be controlled 
B)  cloned animals will be consistently the same as their donor 
C)  cloned cells can be used to study the processes of cell differentiation 
D)  cloned cells can be used to study the process of diseases and thus potentially lead to cures 
E)  all of these are benefits of adult cell cloning

Question 2

Which of the following male organisms contain two identical sex chromosomes?

Accepted Answer

A)  turtles 
B)  birds 
C)  chimpanzees 
D)  dogs 
E)  lizards 
A)  turtles 
B)  birds 
C)  chimpanzees 
D)  dogs 
E)  lizards

Question 3

Which scientist(s)discovered the basis for the base-pair rule,which stated that the amounts of adenine in all DNA are the same,as are the amounts of cytosine and guanine?

Accepted Answer

A)  Watson and Crick 
B)  Beadles 
C)  Chargaff 
D)  Franklin 
E)  Pauling 
A)  Watson and Crick 
B)  Beadles 
C)  Chargaff 
D)  Franklin 
E)  Pauling

Question 4

In animal cells,____ is (are)usually a one-way path.

Accepted Answer

A)  replication 
B)  translation 
C)  transcription 
D)  differentiation 
E)  replication and translation 
A)  replication 
B)  translation 
C)  transcription 
D)  differentiation 
E)  replication and translation

Question 5

A nucleotide is made up of

Accepted Answer

A)  a 5 carbon (pentose) sugar, three phosphate groups, and a nitrogen containing (nitrogenous) acid. 
B)  a pentose sugar, three phosphate groups, and a nitrogenous base. 
C)  three pentose sugars, a phosphate group, and a nitrogenous acid. 
D)  three pentose sugars, a phosphate group, and a nitrogenous base. 
E)  a pentose sugar, a phosphate group, and three nitrogenous acids. 
A)  a 5 carbon (pentose) sugar, three phosphate groups, and a nitrogen containing (nitrogenous) acid. 
B)  a pentose sugar, three phosphate groups, and a nitrogenous base. 
C)  three pentose sugars, a phosphate group, and a nitrogenous acid. 
D)  three pentose sugars, a phosphate group, and a nitrogenous base. 
E)  a pentose sugar, a phosphate group, and three nitrogenous acids.

Question 6

Examine the figures above and answer the following question(s).
-In the figure above,the two strands have separated in step "b" because

Accepted Answer

A)  the sugar-phosphate bonds were broken. 
B)  the hydrogen bonds between bases were broken. 
C)  energy from primers pushed the bases apart. 
D)  the bases, being negatively charged, repelled each other. 
E)  proteins were inserted between each pair of bases. 
A)  the sugar-phosphate bonds were broken. 
B)  the hydrogen bonds between bases were broken. 
C)  energy from primers pushed the bases apart. 
D)  the bases, being negatively charged, repelled each other. 
E)  proteins were inserted between each pair of bases.

Question 7

A diploid organism

Accepted Answer

A)  contains several copies of the same chromosomes. 
B)  contains only autosomes. 
C)  contains one copy of each chromosome. 
D)  contains chromosomes that all have the same size. 
E)  contains two of each type of chromosome. 
A)  contains several copies of the same chromosomes. 
B)  contains only autosomes. 
C)  contains one copy of each chromosome. 
D)  contains chromosomes that all have the same size. 
E)  contains two of each type of chromosome.

Question 8

MATCHING
Answer the following questions by matching each term with the most appropriate description.
a.Chargaff
b.Franklin
c.Watson and Crick
d.Wilkins
-this researcher's work suggested that DNA was double helix

Accepted Answer

The answer of MATCHING
Answer the following questions by matching each...

Question 9

In a eukaryote,DNA polymerase can add up to

Accepted Answer

A)  1,000 nucleotides per second. 
B)  500 nucleotides per second. 
C)  50 nucleotides per second. 
D)  10 nucleotides per second. 
E)  one billion nucleotides per minute. 
A)  1,000 nucleotides per second. 
B)  500 nucleotides per second. 
C)  50 nucleotides per second. 
D)  10 nucleotides per second. 
E)  one billion nucleotides per minute.

Question 10

Which of the following is one of Chargaff's rules about DNA structure?

Accepted Answer

A)  phosphate groups are connected to sugars by covalent bonds 
B)  base pairs connect to each other by hydrogen bonds 
C)  the amounts of adenine and thymine are the same as are the amounts of cytosine and guanine 
D)  the DNA molecule forms into a double helix 
E)  the strands in a DNA molecule run in opposite directions 
A)  phosphate groups are connected to sugars by covalent bonds 
B)  base pairs connect to each other by hydrogen bonds 
C)  the amounts of adenine and thymine are the same as are the amounts of cytosine and guanine 
D)  the DNA molecule forms into a double helix 
E)  the strands in a DNA molecule run in opposite directions

Question 11

Which of the following is the correct complementary bonding of nitrogen containing bases in DNA?

Accepted Answer

A)  adenine and cytosine. 
B)  adenine and guanine. 
C)  cytosine and thymine. 
D)  guanine and cytosine. 
E)  guanine and thymine. 
A)  adenine and cytosine. 
B)  adenine and guanine. 
C)  cytosine and thymine. 
D)  guanine and cytosine. 
E)  guanine and thymine.

Question 12

Rosalind Franklin did not share in the Nobel Prize for the discovery of the structure of DNA because

Accepted Answer

A)  she was a woman. 
B)  her contributions were minimal. 
C)  she was not liked by James Watson. 
D)  her ideas were stolen by Maurice Wilking. 
E)  she died of cancer before the award was given. 
A)  she was a woman. 
B)  her contributions were minimal. 
C)  she was not liked by James Watson. 
D)  her ideas were stolen by Maurice Wilking. 
E)  she died of cancer before the award was given.

Question 13

Which of the following is NOT true of the effects of UV light on DNA?

Accepted Answer

A)  it breaks DNA into pieces 
B)  it causes kinks in the DNA molecule 
C)  it causes the formation of nucleotide dimers 
D)  it causes covalent bond formation between adjacent thymines 
E)  it causes permanent mutations 
A)  it breaks DNA into pieces 
B)  it causes kinks in the DNA molecule 
C)  it causes the formation of nucleotide dimers 
D)  it causes covalent bond formation between adjacent thymines 
E)  it causes permanent mutations

Question 14

In the assembly of new nucleotides to a DNA strand in DNA replication,what provides the energy for that process?

Accepted Answer

A)  ATP 
B)  the nucleotide itself 
C)  NADH 
D)  primers 
E)  DNA ligase 
A)  ATP 
B)  the nucleotide itself 
C)  NADH 
D)  primers 
E)  DNA ligase

Question 15

Which of the following methods would NOT result in identical twin organisms?

Accepted Answer

A)  asexual reproduction 
B)  embryo splitting 
C)  reproductive cloning 
D)  somatic cell nuclear transfer 
E)  two separate eggs fertilized by two separate sperm 
A)  asexual reproduction 
B)  embryo splitting 
C)  reproductive cloning 
D)  somatic cell nuclear transfer 
E)  two separate eggs fertilized by two separate sperm

Question 16

Which of the following was determined by Rosalind Franklin's research?

Accepted Answer

A)  DNA is a double helix 
B)  DNA has a phosphate backbone on the outside 
C)  DNA bases are arranged on the inside 
D)  DNA's diameter 
E)  all of these were determined by Rosalind Franklin's research 
A)  DNA is a double helix 
B)  DNA has a phosphate backbone on the outside 
C)  DNA bases are arranged on the inside 
D)  DNA's diameter 
E)  all of these were determined by Rosalind Franklin's research

Question 17

DNA varies from species to species in

Accepted Answer

A)  how much adenine binds with thymine rather than with cytosine. 
B)  whether DNA is a double or a single helix. 
C)  the variation in the backbone structure. 
D)  how many different bases it contains. 
E)  its sequence of DNA base-pairs. 
A)  how much adenine binds with thymine rather than with cytosine. 
B)  whether DNA is a double or a single helix. 
C)  the variation in the backbone structure. 
D)  how many different bases it contains. 
E)  its sequence of DNA base-pairs.

Question 18

What does DNA ligase do?

Accepted Answer

A)  breaks the hydrogen bonds between base pairs 
B)  seals gaps between assembled nucleotides 
C)  provides energy for nucleotide assembly 
D)  acts as an initiator to start the replication process 
E)  seals the ends of the replicated DNA molecule 
A)  breaks the hydrogen bonds between base pairs 
B)  seals gaps between assembled nucleotides 
C)  provides energy for nucleotide assembly 
D)  acts as an initiator to start the replication process 
E)  seals the ends of the replicated DNA molecule

Question 19

How many clones of Trakr,the Ground Zero hero dog,were delivered to his owner in July 2009?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 20

Match the mutagen (mutation causing agent)with the statement or statements that apply to it.
a.Chargaff
b.UV light
c.tobacco smoke chemicals
-this mutagen transfers methyl groups to nucleotide bases in DNA

Accepted Answer

The answer of Match the mutagen (mutation causing agent)with the...

Exam 6: DNA Structure and Function

What are the benefits,real and potential,of adult cell cloning?

Which of the following male organisms contain two identical sex chromosomes?

Which scientist(s)discovered the basis for the base-pair rule,which stated that the amounts of adenine in all DNA are the same,as are the amounts of cytosine and guanine?

In animal cells,____ is (are)usually a one-way path.

A nucleotide is made up of

Examine the figures above and answer the following question(s). -In the figure above,the two strands have separated in step "b" because

A diploid organism

MATCHING Answer the following questions by matching each term with the most appropriate description. a.Chargaff b.Franklin c.Watson and Crick d.Wilkins -this researcher's work suggested that DNA was double helix

In a eukaryote,DNA polymerase can add up to

Which of the following is one of Chargaff's rules about DNA structure?

Which of the following is the correct complementary bonding of nitrogen containing bases in DNA?

Rosalind Franklin did not share in the Nobel Prize for the discovery of the structure of DNA because

Which of the following is NOT true of the effects of UV light on DNA?

In the assembly of new nucleotides to a DNA strand in DNA replication,what provides the energy for that process?

Which of the following methods would NOT result in identical twin organisms?

Which of the following was determined by Rosalind Franklin's research?

DNA varies from species to species in

What does DNA ligase do?

How many clones of Trakr,the Ground Zero hero dog,were delivered to his owner in July 2009?

Match the mutagen (mutation causing agent)with the statement or statements that apply to it. a.Chargaff b.UV light c.tobacco smoke chemicals -this mutagen transfers methyl groups to nucleotide bases in DNA

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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