Question 1

Which of the following is NOT used in the production of recombinant DNA (rDNA) ?

Accepted Answer

A)  vectors
B)  restriction enzymes
C)  DNA ligase
D)  RNA
E)  plasmidsF) A) and D)
G) A) and E)

Question 2

What is the substance required to cleave the vector DNA during recombinant DNA technology?

Accepted Answer

A)  restriction enzymes
B)  DNA ligase
C)  plasmids
D)  vectors
E)  DNA helicaseF) C) and D)
G) A) and D)

Question 3

The study of comparative genomics has given researchers the ability to look at multiple genomes from different species,which has led to new ideas about the evolutionary history of organisms.The conclusion is that

Accepted Answer

A)  modern vertebrate species all evolved from very different ancestral species,so there is little similarity between their genomes.
B)  modern vertebrate species all evolved from the same ancestral species,but they have changes so that their genomes are very different in modern times.
C)  ancestral species contained very similar genomes,but modern vertebrate species have significant differences in their genomes.
D)  modern vertebrate species evolved from the same ancestors and a large portion of their genome is conserved.
E)  neither the ancestral species nor the modern one resemble each other genetically.F) B) and C)
G) C) and E)

Question 4

Why are genetically modified crop plants (GMOs) are able to express new traits?

Accepted Answer

A)  They now contain genes from another organism.
B)  They grow bacteria on the surface of leaves or roots.
C)  There is no natural method for processes to be degraded in the organism.
D)  Their normally occurring processes have been modified to serve different functions.
E)  They have not been genetically modified enough to change the plant's genetics.F) A) and B)
G) A) and C)

Question 5

The genome of Homo sapiens and Mus musculus are approximately the same size and composed of the same number of genes.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is(are) sites of in vivo gene therapy?

Accepted Answer

A)  muscle cells
B)  bone marrow
C)  endothelium
D)  liver
E)  skinF) All of the above
G) B) and E)

Question 7

Which of the following is not part of the process for PCR (polymerase chain reaction) ?

Accepted Answer

A)  the use of an engineered DNA polymerase
B)  the denaturing of the double-stranded DNA to yield single-strand DNA
C)  multiple cycles of the chain reaction to yield a greater number of DNA copies
D)  final product is single-stranded DNA
E)  All of the answer choices are parts of the process for PCR.F) A) and B)
G) A) and C)

Question 8

Which of the following procedures would most likely be used to identify a specific individual of a population?

Accepted Answer

A)  DNA cloning
B)  transgenic DNA
C)  polymerase chain reaction
D)  DNA fingerprinting
E)  genetic engineeringF) A) and C)
G) C) and E)

Question 9

Which of the following is NOT correct regarding restriction enzymes?

Accepted Answer

A)  They exist in bacteria to restrict the growth of viruses.
B)  They cut double-stranded DNA at specific sites.
C)  They are used during the manufacture of proteins.
D)  They produce "sticky ends" that can bind foreign DNA.
E)  They facilitate inserting foreign DNA into vector DNA.F) D) and E)
G) B) and E)

Question 10

Which of the following is a site of ex vivo gene therapy?

Accepted Answer

A)  bone marrow
B)  muscle
C)  blood
D)  lungs
E)  brainF) None of the above
G) A) and B)

Question 11

The two techniques typically used to create transgenic animals are

Accepted Answer

A)  microinjection of eggs and vortex mixing of eggs.
B)  microinjection of eggs and electroshock of eggs.
C)  electroshock of protoplasts and electroshock of eggs.
D)  microinjection of protoplasts and electroshock of eggs.
E)  microinjection of eggs and vortex mixing of protoplasts.F) B) and D)
G) B) and E)

Question 12

The human genome project led to the discovery that much of the genome consists of repeated sequences of nucleotides.These are thought to

Accepted Answer

A)  have no function.
B)  function as protection on the ends of DNA and as an attachment site on the centromere.
C)  function in DNA replication.
D)  produce rRNA.
E)  function as a protection against cancer.F) A) and E)
G) A) and B)

Question 13

What structure is used to seal the DNA into an opening created by the restriction enzyme during recombinant DNA technology?

Accepted Answer

A)  DNA ligase
B)  restriction enzymes
C)  plamids
D)  vectors
E)  DNA helicaseF) D) and E)
G) C) and D)

Question 14

In producing transgenic plants,cells called protoplasts are often used.Protoplasts are plant cells from which the cell wall has been removed.Why would the cell wall need to be removed?

Accepted Answer

A)  The foreign DNA enters the cell through self-healing holes in the membrane but it could not pass through the cell wall.
B)  The cell wall prevents the transgenic cell from growing into a mature plant.
C)  The cell wall makes it difficult for the biotechnician to determine if the foreign DNA has been incorporated into the cell's genome.
D)  The cell wall prevents the microinjection of foreign DNA into the cell because the needle cannot pass through it.
E)  The foreign DNA passes through the plasmodesmata of the plant cell,which is blocked by the cell wall.F) C) and D)
G) A) and B)

Question 15

Transposable elements make up 44% of the human genome.What is thought to be their function?

Accepted Answer

A)  They fight cancer.
B)  They code for rRNA.
C)  They determine gender.
D)  They help in the replication of DNA.
E)  We are not sure of their function.F) A) and B)
G) C) and D)

Question 16

PCR is often used in forensic analysis since

Accepted Answer

A)  it requires no specialized equipment.
B)  untrained personnel can carry out the procedure.
C)  very small samples are frequently all that are available.
D)  juries always trust the method.
E)  it has been proven to determine the criminal.F) A) and B)
G) D) and E)

Exam 26: Biotechnology and Genomics

The human genome project led to the discovery that much of the genome consists of repeated sequences of nucleotides.These are thought to

Correct Answer
verified

PCR is often used in forensic analysis since

Correct Answer
verified

The two techniques typically used to create transgenic animals are

Correct Answer
verified

Which of the following is(are) sites of in vivo gene therapy?

Correct Answer
verified

What is the substance required to cleave the vector DNA during recombinant DNA technology?

Correct Answer
verified

Why are genetically modified crop plants (GMOs) are able to express new traits?

Correct Answer
verified

Which of the following is NOT used in the production of recombinant DNA (rDNA) ?

Correct Answer
verified

Which of the following is a site of ex vivo gene therapy?

Correct Answer
verified

Which of the following is NOT correct regarding restriction enzymes?

Correct Answer
verified

Which of the following procedures would most likely be used to identify a specific individual of a population?

Correct Answer
verified

In producing transgenic plants,cells called protoplasts are often used.Protoplasts are plant cells from which the cell wall has been removed.Why would the cell wall need to be removed?

Correct Answer
verified

Which of the following is not part of the process for PCR (polymerase chain reaction) ?

Correct Answer
verified

What structure is used to seal the DNA into an opening created by the restriction enzyme during recombinant DNA technology?

Correct Answer
verified

The study of comparative genomics has given researchers the ability to look at multiple genomes from different species,which has led to new ideas about the evolutionary history of organisms.The conclusion is that

Correct Answer
verified

The genome of Homo sapiens and Mus musculus are approximately the same size and composed of the same number of genes.

Correct Answer
verified

Transposable elements make up 44% of the human genome.What is thought to be their function?

Correct Answer
verified

Exam 26: Biotechnology and Genomics

The human genome project led to the discovery that much of the genome consists of repeated sequences of nucleotides.These are thought to

Correct AnswerverifiedShow Answer

PCR is often used in forensic analysis since

Correct AnswerverifiedShow Answer

The two techniques typically used to create transgenic animals are

Correct AnswerverifiedShow Answer

Which of the following is(are) sites of in vivo gene therapy?

Correct AnswerverifiedShow Answer

What is the substance required to cleave the vector DNA during recombinant DNA technology?

Correct AnswerverifiedShow Answer

Why are genetically modified crop plants (GMOs) are able to express new traits?

Correct AnswerverifiedShow Answer

Which of the following is NOT used in the production of recombinant DNA (rDNA) ?

Correct AnswerverifiedShow Answer

Which of the following is a site of ex vivo gene therapy?

Correct AnswerverifiedShow Answer

Which of the following is NOT correct regarding restriction enzymes?

Correct AnswerverifiedShow Answer

Which of the following procedures would most likely be used to identify a specific individual of a population?

Correct AnswerverifiedShow Answer

In producing transgenic plants,cells called protoplasts are often used.Protoplasts are plant cells from which the cell wall has been removed.Why would the cell wall need to be removed?

Correct AnswerverifiedShow Answer

Which of the following is not part of the process for PCR (polymerase chain reaction) ?

Correct AnswerverifiedShow Answer

What structure is used to seal the DNA into an opening created by the restriction enzyme during recombinant DNA technology?

Correct AnswerverifiedShow Answer

The study of comparative genomics has given researchers the ability to look at multiple genomes from different species,which has led to new ideas about the evolutionary history of organisms.The conclusion is that

Correct AnswerverifiedShow Answer

The genome of Homo sapiens and Mus musculus are approximately the same size and composed of the same number of genes.

Correct AnswerverifiedShow Answer

Transposable elements make up 44% of the human genome.What is thought to be their function?

Correct AnswerverifiedShow Answer

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