Question 1

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. E

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 B

Question 3

Which of the following nitrogen containing bases is NOT found in molecules of DNA?

Accepted Answer

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

Question 4

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 5

What are the length of DNA from a single human cell?

Accepted Answer

A)  2 nanonmeters 
B)  2 micrometers 
C)  2 millimeters 
D)  2 centimeters 
E)  2 meters 
A)  2 nanonmeters 
B)  2 micrometers 
C)  2 millimeters 
D)  2 centimeters 
E)  2 meters

Question 6

DNA Strand Consider the DNA strand below and answer the following question(s). ACTGAGCATTAG In the DNA strand above, which of the following would be the complementary sequence?

Accepted Answer

A)  ACTGAGCATTAG 
B)  TGACTCGTAATC 
C)  GTCAGATGCCGA 
D)  CAGTCTACGGCT 
E)  CTCAGACGAAGA 
A)  ACTGAGCATTAG 
B)  TGACTCGTAATC 
C)  GTCAGATGCCGA 
D)  CAGTCTACGGCT 
E)  CTCAGACGAAGA

Question 7

Examine the figures above and answer the following question(s). In the figure above, the two DNA molecules produced when step "d" is completed will be

Accepted Answer

A)  identical to the parent DNA but not to each other. 
B)  complementary to each other but not to the parent DNA. 
C)  different from each other and the parent DNA. 
D)  identical to each other and complementary to the parent DNA. 
E)  complementary to each other and complementary the parent DNA. 
A)  identical to the parent DNA but not to each other. 
B)  complementary to each other but not to the parent DNA. 
C)  different from each other and the parent DNA. 
D)  identical to each other and complementary to the parent DNA. 
E)  complementary to each other and complementary the parent DNA.

Question 8

What was the first animal cloned from an adult cell?

Accepted Answer

A)  a sheep 
B)  a dog 
C)  a cow 
D)  a cat 
E)  a mouse 
A)  a sheep 
B)  a dog 
C)  a cow 
D)  a cat 
E)  a mouse

Question 9

Examine the figures above and answer the following question(s). The replication illustrated here is termed

Accepted Answer

A)  dominant. 
B)  recessive 
C)  semiconservative. 
D)  conservative. 
E)  hemiconservative. 
A)  dominant. 
B)  recessive 
C)  semiconservative. 
D)  conservative. 
E)  hemiconservative.

Question 10

In the technique of artificial twinning,

Accepted Answer

A)  two embryos are fused. 
B)  an embryo is teased apart. 
C)  two sperm are used to fertilize a single egg. 
D)  two eggs and two sperm are used to form two embryos. 
E)  an embryo's nucleus is removed and replaced with an adult embryo. 
A)  two embryos are fused. 
B)  an embryo is teased apart. 
C)  two sperm are used to fertilize a single egg. 
D)  two eggs and two sperm are used to form two embryos. 
E)  an embryo's nucleus is removed and replaced with an adult embryo.

Question 11

Which of the following has occurred in cloned animals?

Accepted Answer

A)  lung problems 
B)  liver problems 
C)  limping 
D)  heart problems 
E)  all of these have occurred in cloned animals 
A)  lung problems 
B)  liver problems 
C)  limping 
D)  heart problems 
E)  all of these have occurred in cloned animals

Question 12

Selecting the Exception Four of the five answers listed below are related to DNA replication. Select the EXCEPTION.

Accepted Answer

A)  base pairing 
B)  hydrogen bonding 
C)  semiconservative 
D)  DNA ligase 
E)  glycolysis 
A)  base pairing 
B)  hydrogen bonding 
C)  semiconservative 
D)  DNA ligase 
E)  glycolysis

Question 13

If a DNA molecule was a spiral staircase, what would the steps of the staircase be?

Accepted Answer

A)  covalent bonds. 
B)  deoxyribose. 
C)  base pairs. 
D)  hydrogen bonds. 
E)  phosphate. 
A)  covalent bonds. 
B)  deoxyribose. 
C)  base pairs. 
D)  hydrogen bonds. 
E)  phosphate.

Question 14

If one strand of a DNA molecule read ACCTTGAC, what would the other side read?

Accepted Answer

A)  ACCTTGAC 
B)  TGGAACTG 
C)  GTTCCAGT 
D)  CAAGGTGA 
E)  none of these 
A)  ACCTTGAC 
B)  TGGAACTG 
C)  GTTCCAGT 
D)  CAAGGTGA 
E)  none of these

Question 15

Each DNA strand serves as which of the following during DNA synthesis?

Accepted Answer

A)  a replicate 
B)  a substitute 
C)  a template 
D)  a source of nucleotides 
E)  all of these 
A)  a replicate 
B)  a substitute 
C)  a template 
D)  a source of nucleotides 
E)  all of these

Question 16

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 17

In some species, the sex of the future individual is decided by environmental conditions and not by sex chromosomes. In which of the following species is sex decided by temperature?

Accepted Answer

A)  birds 
B)  fruit flies 
C)  frogs 
D)  rabbits 
E)  zebras 
A)  birds 
B)  fruit flies 
C)  frogs 
D)  rabbits 
E)  zebras

Question 18

Which of the following is one of Chargaff's rules?

Accepted Answer

A)  different organisms have different DNA sequences 
B)  the DNA molecule is a double helix 
C)  the two strands in a DNA molecule run in opposite directions 
D)  the backbone of a DNA molecule is on the outside 
E)  all of these are Chargaff's rules 
A)  different organisms have different DNA sequences 
B)  the DNA molecule is a double helix 
C)  the two strands in a DNA molecule run in opposite directions 
D)  the backbone of a DNA molecule is on the outside 
E)  all of these are Chargaff's rules

Question 19

Which of the following was determined by Watson and Crick?

Accepted Answer

A)  the amount of adenine in a DNA molecule equals the amount of thymine 
B)  DNA is a double helix 
C)  DNA has a phosphate backbone 
D)  the sequence of DNA bases is different in different organisms 
E)  none of these were determined by Watson and Crick 
A)  the amount of adenine in a DNA molecule equals the amount of thymine 
B)  DNA is a double helix 
C)  DNA has a phosphate backbone 
D)  the sequence of DNA bases is different in different organisms 
E)  none of these were determined by Watson and Crick

Question 20

The building blocks of nucleic acids are

Accepted Answer

A)  amino acids. 
B)  nucleotides. 
C)  5 carbon sugars. 
D)  fatty acids. 
E)  ribosomes. 
A)  amino acids. 
B)  nucleotides. 
C)  5 carbon sugars. 
D)  fatty acids. 
E)  ribosomes.

Exam 6: Dna Structure and Function

A diploid organism

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

Which of the following nitrogen containing bases is NOT found in molecules of DNA?

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

What are the length of DNA from a single human cell?

DNA Strand Consider the DNA strand below and answer the following question(s). ACTGAGCATTAG In the DNA strand above, which of the following would be the complementary sequence?

Examine the figures above and answer the following question(s). In the figure above, the two DNA molecules produced when step "d" is completed will be

What was the first animal cloned from an adult cell?

Examine the figures above and answer the following question(s). The replication illustrated here is termed

In the technique of artificial twinning,

Which of the following has occurred in cloned animals?

Selecting the Exception Four of the five answers listed below are related to DNA replication. Select the EXCEPTION.

If a DNA molecule was a spiral staircase, what would the steps of the staircase be?

If one strand of a DNA molecule read ACCTTGAC, what would the other side read?

Each DNA strand serves as which of the following during DNA synthesis?

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

In some species, the sex of the future individual is decided by environmental conditions and not by sex chromosomes. In which of the following species is sex decided by temperature?

Which of the following is one of Chargaff's rules?

Which of the following was determined by Watson and Crick?

The building blocks of nucleic acids are

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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