Question 1

Transposase is involved with removing the transposable element from its current location.

Accepted Answer

A) True 
 B)False

Question 2

In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can
begin during meiosis.

Accepted Answer

A) True 
 B)False

Question 3

To date, there are not any indications that transposable elements offer a selective advantage to a
species.

Accepted Answer

A) True 
 B)False

Question 4

An attachment site for bacteriophage l have which of the following characteristic(s) ?

Accepted Answer

A)   Specific proteins in the cell membrane
B)   A unique set of phospholipids that identify the organelle of interest
C)   A lack of a cell wall
D)   A specific DNA sequence that is recognized by the integrase enzyme
E)   None of the answers are correct

Question 5

Which of the following enzymes is required for a transposon to move?

Accepted Answer

A)   Integrase
B)   Jumpase
C)   Splicase
D)   Transposase
E)   None of the answers are correct

Question 6

Transposons that utilize an RNA intermediate for transposition are called .

Accepted Answer

A)   Retro elements
B)   Retroposons
C)   Retrotransposons
D)   All of the answers are correct

Question 7

Which of the following processes accounts for the tremendous variation in antibody structure?

Accepted Answer

A)   RNA editing
B)   Site-specific recombination
C)   Integrase activity
D)   Physiological adaptation
E)   Hot spots of mutation in the immunoglobin genes

Question 8

RAG1 and RAG2 proteins are associated with which of the following?

Accepted Answer

A)   Recombination during prophase I of meiosis
B)   Nucleotide excision repair
C)   Transposition
D)   Integration of a bacteriophage into the host genome
E)   Site-specific recombination in antibody genes

Question 9

As a researcher, you have identified a potential transposable element that contains both a transposase and resolvase enzyme. Which of the following types of transposons would you assign it to based on this information?

Accepted Answer

A)   Composite transposon
B)   Non-viral retro element
C)   Viral-like retro element
D)   Replicative transposon
E)   Insertion sequence

Question 10

Which of the following is incorrect regarding immunoglobins?

Accepted Answer

A)   They are produced by B cells
B)   They recognize a specific epitope
C)   The human genome contains a unique gene for each immunoglobin produced
D)   They are all proteins

Question 11

The integrase enzyme is responsible for inserting bacteriophage l into the host genome.

Accepted Answer

A) True 
 B)False

Question 12

The formation of a D-loop is associated with which of the following models of recombination?

Accepted Answer

A)   Double-stranded break model
B)   Holliday model
C)   Single-stranded break model
D)   All of the answers are correct

Question 13

A bacteriophage that has integrated into the bacterial chromosome is called a prophage.

Accepted Answer

A) True 
 B)False

Question 14

Insertion sequences can be identified by which of the following?

Accepted Answer

A)   Presence of an integrase enzyme
B)   High level of mutation
C)   Presence of inverted repeats at the end of the sequence
D)   Presence of a reverse transcriptase enzyme
E)   All of the answers are correct

Question 15

The individual who first proposed the existence of transposable elements was .

Accepted Answer

A)   Sturtevant
B)   Morgan
C)   McClintock
D)   Franklin
E)   Watson

Question 16

Which of the following genes was mobile in McClintock's experiments with mutable sites in corn?

Accepted Answer

A)   Ds
B)   C
C)   Sh
D)   Wx
E)   All of the answers are correct

Question 17

What is the selfish DNA theory?

Accepted Answer

A)   A theory that explains how DNA point mutations are repaired within the genome.
B)   A theory that explains how transposable elements are repaired within the genome.
C)  A theory that attempts to explain the proliferation of transposable elements in a genome by comparing it to the action of a parasite.
D)   None of the above

Question 18

All light chain polypeptides in an immunoglobin contain which of the following?

Accepted Answer

A)   A C region
B)   A V region
C)   A J region
D)   All of the answers are correct

Question 19

A composite transposon will contain only genes that are necessary for transposition.

Accepted Answer

A) True 
 B)False

Exam 17: Recombination and Transposition at the Molecular

A composite transposon will contain only genes that are necessary for transposition.

Correct Answer
verified

Insertion sequences can be identified by which of the following?

Correct Answer
verified

What is the selfish DNA theory?

Correct Answer
verified

Which of the following processes accounts for the tremendous variation in antibody structure?

Correct Answer
verified

To date, there are not any indications that transposable elements offer a selective advantage to a species.

Correct Answer
verified

An attachment site for bacteriophage l have which of the following characteristic(s) ?

Correct Answer
verified

Which of the following enzymes is required for a transposon to move?

Correct Answer
verified

In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can begin during meiosis.

Correct Answer
verified

The integrase enzyme is responsible for inserting bacteriophage l into the host genome.

Correct Answer
verified

The formation of a D-loop is associated with which of the following models of recombination?

Correct Answer
verified

All light chain polypeptides in an immunoglobin contain which of the following?

Correct Answer
verified

Transposons that utilize an RNA intermediate for transposition are called .

Correct Answer
verified

Which of the following genes was mobile in McClintock's experiments with mutable sites in corn?

Correct Answer
verified

Transposase is involved with removing the transposable element from its current location.

Correct Answer
verified

The individual who first proposed the existence of transposable elements was .

Correct Answer
verified

RAG1 and RAG2 proteins are associated with which of the following?

Correct Answer
verified

A bacteriophage that has integrated into the bacterial chromosome is called a prophage.

Correct Answer
verified

As a researcher, you have identified a potential transposable element that contains both a transposase and resolvase enzyme. Which of the following types of transposons would you assign it to based on this information?

Correct Answer
verified

Which of the following is incorrect regarding immunoglobins?

Correct Answer
verified

Exam 17: Recombination and Transposition at the Molecular

A composite transposon will contain only genes that are necessary for transposition.

Correct AnswerverifiedShow Answer

Insertion sequences can be identified by which of the following?

Correct AnswerverifiedShow Answer

What is the selfish DNA theory?

Correct AnswerverifiedShow Answer

Which of the following processes accounts for the tremendous variation in antibody structure?

Correct AnswerverifiedShow Answer

To date, there are not any indications that transposable elements offer a selective advantage to a species.

Correct AnswerverifiedShow Answer

An attachment site for bacteriophage l have which of the following characteristic(s) ?

Correct AnswerverifiedShow Answer

Which of the following enzymes is required for a transposon to move?

Correct AnswerverifiedShow Answer

In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can begin during meiosis.

Correct AnswerverifiedShow Answer

The integrase enzyme is responsible for inserting bacteriophage l into the host genome.

Correct AnswerverifiedShow Answer

The formation of a D-loop is associated with which of the following models of recombination?

Correct AnswerverifiedShow Answer

All light chain polypeptides in an immunoglobin contain which of the following?

Correct AnswerverifiedShow Answer

Transposons that utilize an RNA intermediate for transposition are called .

Correct AnswerverifiedShow Answer

Which of the following genes was mobile in McClintock's experiments with mutable sites in corn?

Correct AnswerverifiedShow Answer

Transposase is involved with removing the transposable element from its current location.

Correct AnswerverifiedShow Answer

The individual who first proposed the existence of transposable elements was .

Correct AnswerverifiedShow Answer

RAG1 and RAG2 proteins are associated with which of the following?

Correct AnswerverifiedShow Answer

A bacteriophage that has integrated into the bacterial chromosome is called a prophage.

Correct AnswerverifiedShow Answer

As a researcher, you have identified a potential transposable element that contains both a transposase and resolvase enzyme. Which of the following types of transposons would you assign it to based on this information?

Correct AnswerverifiedShow Answer

Which of the following is incorrect regarding immunoglobins?

Correct AnswerverifiedShow Answer

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