Question 1

Which scientist(s)was the first to suggest that the proportion of adenine and guanine differs from one species to another?

Accepted Answer

A) Watson and Crick 
B) Wilkins 
C) Hershey and Chase 
D) Chargaff 
E) Franklin 
A) Watson and Crick 
B) Wilkins 
C) Hershey and Chase 
D) Chargaff 
E) Franklin

Question 2

Chemicals in tobacco smoke can cause _____.

Accepted Answer

A) DNA to break into pieces. 
B) mispairing of bases. 
C) kinking in the DNA molecule. 
D) the formation of nucleotide dimers. 
E) covalent bonding between adjacent adenine bases. 
A) DNA to break into pieces. 
B) mispairing of bases. 
C) kinking in the DNA molecule. 
D) the formation of nucleotide dimers. 
E) covalent bonding between adjacent adenine bases.

Question 3

DNA replication is a ____ process.

Accepted Answer

A) non complementary 
B) semiconservative 
C) semisynthetic 
D) mutational 
E) denaturation 
A) non complementary 
B) semiconservative 
C) semisynthetic 
D) mutational 
E) denaturation

Question 4

Hybridization of DNA is _____ and is driven entirely by _____.

Accepted Answer

A) non-spontaneous; ATP 
B) non-spontaneous; hydrogen bonding 
C) non-spontaneous; glycolysis 
D) spontaneous; ATP 
E) spontaneous; hydrogen bonding 
A) non-spontaneous; ATP 
B) non-spontaneous; hydrogen bonding 
C) non-spontaneous; glycolysis 
D) spontaneous; ATP 
E) spontaneous; hydrogen bonding

Question 5

If the DNA from a single cell were stretched end to end,how long would it be?

Accepted Answer

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

Question 6

Somatic cell nuclear transfer (SCNT)is a reproductive cloning method in which _____.

Accepted Answer

A) the DNA from a blastocyst is inserted into a donor egg 
B) donor DNA is inserted into an unfertilized egg whose nucleus had been removed 
C) an unfertilized egg is inserted into a donor uterus 
D) an embryo is split during early development 
E) the cell contents from a donor is inserted into a donor egg 
A) the DNA from a blastocyst is inserted into a donor egg 
B) donor DNA is inserted into an unfertilized egg whose nucleus had been removed 
C) an unfertilized egg is inserted into a donor uterus 
D) an embryo is split during early development 
E) the cell contents from a donor is inserted into a donor egg

Question 7

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once.
-along with Watson and Crick,received the Nobel Prize for his contribution to the discovery of DNA's structure

Accepted Answer

A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher 
A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher

Question 8

Each DNA strand serves as a _____during DNA synthesis.

Accepted Answer

A) replicate 
B) substitute 
C) template 
D) source of nucleotides 
E) primer 
A) replicate 
B) substitute 
C) template 
D) source of nucleotides 
E) primer

Question 9

Order the steps of somatic cell nuclear transfer.
-Step 4

Accepted Answer

A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette 
D) Embryo forms 
A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette 
D) Embryo forms

Question 10

Which of the following female organisms contain two different sex chromosomes?

Accepted Answer

A) humans 
B) fruit flies 
C) cows 
D) butterflies 
E) cats 
A) humans 
B) fruit flies 
C) cows 
D) butterflies 
E) cats

Question 11

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?

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 12

Using the diagram, indicate the molecule that functions at each step in DNA replication  
-Enzymes that break hydrogen bonds

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 13

Answer the following questions by matching each term with the most appropriate description.
-Process by which a cell duplicates its DNA before it divides.

Accepted Answer

A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer 
A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer

Question 14

What was the first mammal cloned from an adult differentiated 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 15

Which enzyme links nucleotides into a new stand of DNA?

Accepted Answer

A) DNA ligase 
B) DNA mutase 
C) DNA polymerase 
D) DNA primer 
E) DNA replicase 
A) DNA ligase 
B) DNA mutase 
C) DNA polymerase 
D) DNA primer 
E) DNA replicase

Question 16

Which scientist(s)discovered the basis for the base-pair rule,which states that the amounts of thymine and adenine are always equal in all DNA molecules,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 17

Rosalind Franklin's research contribution was essential in _____.

Accepted Answer

A) establishing the single-stranded nature of DNA 
B) establishing the principle of base pairing 
C) establishing most of the principal structural features of DNA 
D) sequencing DNA molecules 
E) determining the bonding energy of DNA molecules 
A) establishing the single-stranded nature of DNA 
B) establishing the principle of base pairing 
C) establishing most of the principal structural features of DNA 
D) sequencing DNA molecules 
E) determining the bonding energy of DNA molecules

Question 18

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once.
-discovered that the sequence of DNA differs in different organisms

Accepted Answer

A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher 
A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher

Question 19

Answer the following questions by matching each term with the most appropriate description.
-Process by which a cell becomes specialized during development

Accepted Answer

A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer 
A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer

Question 20

Each DNA strand has a backbone that consists of alternating _____.

Accepted Answer

A) amino acids 
B) nitrogen-containing bases 
C) hydrogen bonds 
D) sugar and phosphate molecules 
E) types of sugars 
A) amino acids 
B) nitrogen-containing bases 
C) hydrogen bonds 
D) sugar and phosphate molecules 
E) types of sugars

Which scientist(s)was the first to suggest that the proportion of adenine and guanine differs from one species to another?

Chemicals in tobacco smoke can cause _____.

DNA replication is a ____ process.

Hybridization of DNA is _ and is driven entirely by _.

If the DNA from a single cell were stretched end to end,how long would it be?

Somatic cell nuclear transfer (SCNT)is a reproductive cloning method in which _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -along with Watson and Crick,received the Nobel Prize for his contribution to the discovery of DNA's structure

Each DNA strand serves as a _____during DNA synthesis.

Order the steps of somatic cell nuclear transfer. -Step 4

Which of the following female organisms contain two different sex chromosomes?

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?

Using the diagram, indicate the molecule that functions at each step in DNA replication -Enzymes that break hydrogen bonds

Answer the following questions by matching each term with the most appropriate description. -Process by which a cell duplicates its DNA before it divides.

What was the first mammal cloned from an adult differentiated cell?

Which enzyme links nucleotides into a new stand of DNA?

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

Rosalind Franklin's research contribution was essential in _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -discovered that the sequence of DNA differs in different organisms

Answer the following questions by matching each term with the most appropriate description. -Process by which a cell becomes specialized during development

Each DNA strand has a backbone that consists of alternating _____.

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

Filters

Exam 6: DNA Structure And Function

Which scientist(s)was the first to suggest that the proportion of adenine and guanine differs from one species to another?

Chemicals in tobacco smoke can cause _____.

DNA replication is a ____ process.

Hybridization of DNA is _____ and is driven entirely by _____.

If the DNA from a single cell were stretched end to end,how long would it be?

Somatic cell nuclear transfer (SCNT)is a reproductive cloning method in which _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -along with Watson and Crick,received the Nobel Prize for his contribution to the discovery of DNA's structure

Each DNA strand serves as a _____during DNA synthesis.

Order the steps of somatic cell nuclear transfer. -Step 4

Which of the following female organisms contain two different sex chromosomes?

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?

Using the diagram, indicate the molecule that functions at each step in DNA replication -Enzymes that break hydrogen bonds

Answer the following questions by matching each term with the most appropriate description. -Process by which a cell duplicates its DNA before it divides.

What was the first mammal cloned from an adult differentiated cell?

Which enzyme links nucleotides into a new stand of DNA?

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

Rosalind Franklin's research contribution was essential in _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -discovered that the sequence of DNA differs in different organisms

Answer the following questions by matching each term with the most appropriate description. -Process by which a cell becomes specialized during development

Each DNA strand has a backbone that consists of alternating _____.

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

Filters

Hybridization of DNA is _ and is driven entirely by _.