Question 1

Organisms that can contain genes introduced from other species are referred to as

Accepted Answer

A)   bacteria
B)   plasmids
C)   manipulated
D)   genomic
E)   transgenicF) A) and B)
G) C) and D)

Question 2

The first successful treatment of a genetic disorder by gene therapy was the curing of a 4-year-old girl who had severe combined immunodeficiency disease. Because the engineered cells do not live forever, this child must supplement her treatment with regular doses of

Accepted Answer

A)   adenosine deaminase
B)   insulin
C)   hemoglobin
D)   bone marrow extract
E)   B lymphocytesF) B) and E)
G) C) and E)

Question 3

The insertion of human genes into human cells to treat a disease is known as ________.

Accepted Answer

The answer of The insertion of human genes into human...

Question 4

Producing transgenic animals is much easier than generating transgenic plants.

Accepted Answer

A) True 
 B)False

Question 5

A small amount of DNA was located at a crime scene. Which one of the following techniques is most likely to be used to amplify the DNA so it can be identified more accurately?

Accepted Answer

A)   genetic engineering
B)   use of DNA ligase to recombine the pieces of DNA
C)   gene therapy
D)   DNA sequencing
E)   polymerase chain reactionF) C) and D)
G) A) and C)

Question 6

Short single-stranded pieces of DNA called ________ attach to a DNA template to serve as the beginning site of DNA replication.

Accepted Answer

The answer of Short single-stranded pieces of DNA called ________...

Question 7

In recombinant DNA technology, DNA is cut at specific nucleotide sequences by ________ enzymes.

Accepted Answer

The answer of In recombinant DNA technology, DNA is cut...

Question 8

Insertion of a gene into another organism's DNA so that it can be transferred to another organism like a bacterium is called

Accepted Answer

A)   vector transfer
B)   PCR
C)   DNA amplification
D)   gene therapy
E)   DNA translocationF) All of the above
G) A) and C)

Question 9

Bacterial ________ DNA can be easily removed from the bacterium, modified by adding a gene of interest, and then reinserted into the bacterium to be replicated.

Accepted Answer

A)   genomic
B)   polymerase
C)   plasmid
D)   chromosomal
E)   nuclearF) D) and E)
G) All of the above

Question 10

________ is a useful technique in criminal investigations because humans contain many copies of repeating or junk sequences, the length of which can be unique to an individual.

Accepted Answer

The answer of ________ is a useful technique in criminal...

Question 11

Small pieces of DNA can be amplified by a process known as polymerase chain reaction.

Accepted Answer

A) True 
 B)False

Question 12

The following are steps involved in producing recombinant DNA using human DNA and a plasmid. Which one of the following answers best reflects the proper order of these steps? 1. select bacteria that contain human DNA
2)  isolate and purify DNA to be recombined
3)  add DNA ligase to join human DNA with plasmid
4)  cut human DNA and plasmid with restriction enzyme
5)  introduce new plasmid to bacteria

Accepted Answer

A)   4, 1, 5, 3, 2
B)   2, 4, 3, 5, 1
C)   2, 5, 1, 3, 4
D)   4, 3, 2, 1, 5
E)   5, 1, 2, 4, 3F) A) and B)
G) B) and E)

Question 13

During polymerase chain reaction, DNA amplification comes to an end

Accepted Answer

A)   when the available nucleotides become limited or the temperature becomes too low
B)   once the DNA template is used up
C)   once the RNA template is used up
D)   as DNA polymerase is produced
E)   when the stop codon is added to the templateF) A) and B)
G) A) and C)

Question 14

The goal of polymerase chain reaction (PCR) is to determine the sequence of nucleotides in a stretch of DNA.

Accepted Answer

A) True 
 B)False

Question 15

Polymerase chain reaction (PCR)  is useful for amplifying a small piece of DNA but is not a good technique for cloning genes because

Accepted Answer

A)   DNA ligase cannot be used in PCRs
B)   PCRs do not generate palindromic sequences
C)   copies of DNA produced by PCRs lack the regulatory genes and proteins required to activate genes
D)   PCRs only generate primary transcripts that require excision of introns
E)   ribosomes are required to produce active genesF) C) and D)
G) A) and E)

Question 16

Gene therapy is currently under investigation as a possible way to cure cystic fibrosis. How is the viral vector carrying the normal gene delivered to the affected cells?

Accepted Answer

A)   injection
B)   bacterial plasmid
C)   nasal spray
D)   ingestion
E)   application to skinF) A) and B)
G) B) and E)

Question 17

When DNA fragments from different sources are mixed together, they begin combining with each other due to

Accepted Answer

A)   complementary base pairing
B)   the action of restriction enzymes
C)   a change in pH
D)   electrical currents present in the mixture
E)   a change in temperatureF) B) and E)
G) A) and B)

Question 18

A DNA sequence that can be read the same backward and forward is called a(n)

Accepted Answer

A)   repetitive code
B)   palindrome
C)   plasmid sequence
D)   DNA fingerprint
E)   exonF) A) and E)
G) D) and E)

Question 19

During PCR, heating of DNA is required to

Accepted Answer

A)   promote attachment of nucleotides to the template
B)   allow DNA ligases to bind fragments together
C)   unwind double-stranded DNA
D)   attach the primer to the template DNA
E)   attach a stop codonF) B) and D)
G) C) and E)

Question 20

Some genetically engineered tomato plants produce tomatoes that last longer on the grocery shelf; some genetically engineered cotton plants are resistant to insects.

Accepted Answer

A) True 
 B)False

Exam 20: DNA Technology and Genetic Engineering

When DNA fragments from different sources are mixed together, they begin combining with each other due to

Correct Answer
verified

The insertion of human genes into human cells to treat a disease is known as ________.

Correct Answer
verified

Some genetically engineered tomato plants produce tomatoes that last longer on the grocery shelf; some genetically engineered cotton plants are resistant to insects.

Correct Answer
verified

A small amount of DNA was located at a crime scene. Which one of the following techniques is most likely to be used to amplify the DNA so it can be identified more accurately?

Correct Answer
verified

Small pieces of DNA can be amplified by a process known as polymerase chain reaction.

Correct Answer
verified

Short single-stranded pieces of DNA called ________ attach to a DNA template to serve as the beginning site of DNA replication.

Correct Answer
verified

________ is a useful technique in criminal investigations because humans contain many copies of repeating or junk sequences, the length of which can be unique to an individual.

Correct Answer
verified

During polymerase chain reaction, DNA amplification comes to an end

Correct Answer
verified

The goal of polymerase chain reaction (PCR) is to determine the sequence of nucleotides in a stretch of DNA.

Correct Answer
verified

During PCR, heating of DNA is required to

Correct Answer
verified

In recombinant DNA technology, DNA is cut at specific nucleotide sequences by ________ enzymes.

Correct Answer
verified

Producing transgenic animals is much easier than generating transgenic plants.

Correct Answer
verified

Organisms that can contain genes introduced from other species are referred to as

Correct Answer
verified

Insertion of a gene into another organism's DNA so that it can be transferred to another organism like a bacterium is called

Correct Answer
verified

The first successful treatment of a genetic disorder by gene therapy was the curing of a 4-year-old girl who had severe combined immunodeficiency disease. Because the engineered cells do not live forever, this child must supplement her treatment with regular doses of

Correct Answer
verified

Correct Answer
verified

A DNA sequence that can be read the same backward and forward is called a(n)

Correct Answer
verified

Gene therapy is currently under investigation as a possible way to cure cystic fibrosis. How is the viral vector carrying the normal gene delivered to the affected cells?

Correct Answer
verified

Polymerase chain reaction (PCR) is useful for amplifying a small piece of DNA but is not a good technique for cloning genes because

Correct Answer
verified

Bacterial ________ DNA can be easily removed from the bacterium, modified by adding a gene of interest, and then reinserted into the bacterium to be replicated.

Correct Answer
verified

Exam 20: DNA Technology and Genetic Engineering

When DNA fragments from different sources are mixed together, they begin combining with each other due to

Correct AnswerverifiedShow Answer

The insertion of human genes into human cells to treat a disease is known as ________.

Correct AnswerverifiedShow Answer

Some genetically engineered tomato plants produce tomatoes that last longer on the grocery shelf; some genetically engineered cotton plants are resistant to insects.

Correct AnswerverifiedShow Answer

A small amount of DNA was located at a crime scene. Which one of the following techniques is most likely to be used to amplify the DNA so it can be identified more accurately?

Correct AnswerverifiedShow Answer

Small pieces of DNA can be amplified by a process known as polymerase chain reaction.

Correct AnswerverifiedShow Answer

Short single-stranded pieces of DNA called ________ attach to a DNA template to serve as the beginning site of DNA replication.

Correct AnswerverifiedShow Answer

________ is a useful technique in criminal investigations because humans contain many copies of repeating or junk sequences, the length of which can be unique to an individual.

Correct AnswerverifiedShow Answer

During polymerase chain reaction, DNA amplification comes to an end

Correct AnswerverifiedShow Answer

The goal of polymerase chain reaction (PCR) is to determine the sequence of nucleotides in a stretch of DNA.

Correct AnswerverifiedShow Answer

During PCR, heating of DNA is required to

Correct AnswerverifiedShow Answer

In recombinant DNA technology, DNA is cut at specific nucleotide sequences by ________ enzymes.

Correct AnswerverifiedShow Answer

Producing transgenic animals is much easier than generating transgenic plants.

Correct AnswerverifiedShow Answer

Organisms that can contain genes introduced from other species are referred to as

Correct AnswerverifiedShow Answer

Insertion of a gene into another organism's DNA so that it can be transferred to another organism like a bacterium is called

Correct AnswerverifiedShow Answer

The first successful treatment of a genetic disorder by gene therapy was the curing of a 4-year-old girl who had severe combined immunodeficiency disease. Because the engineered cells do not live forever, this child must supplement her treatment with regular doses of

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A DNA sequence that can be read the same backward and forward is called a(n)

Correct AnswerverifiedShow Answer

Gene therapy is currently under investigation as a possible way to cure cystic fibrosis. How is the viral vector carrying the normal gene delivered to the affected cells?

Correct AnswerverifiedShow Answer

Polymerase chain reaction (PCR) is useful for amplifying a small piece of DNA but is not a good technique for cloning genes because

Correct AnswerverifiedShow Answer

Bacterial ________ DNA can be easily removed from the bacterium, modified by adding a gene of interest, and then reinserted into the bacterium to be replicated.

Correct AnswerverifiedShow Answer

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