Question 1

The enzyme___ adds nucleotides of DNA in the ___direction when DNA is being semi-conservatively replicated.

Accepted Answer

A)   DNA polymerase III, 3'→ 5'
B)   DNA polymerase I, 3'→ 5'
C)   DNA polymerase III, 5'→ 3'
D)   DNA polymerase I, 5'→ 3'E) A) and B)
F) A) and C)

Question 2

A technique that separates a readable pattern of DNA fragments is

Accepted Answer

A)   genetic engineering.
B)   biotechnology.
C)   recombinant DNA.
D)   gel electrophoresis.
E)   gene probes.F) D) and E)
G) None of the above

Question 3

When patient tissues are transfected with viruses carrying a needed, normal human gene, the technique is called

Accepted Answer

A)   cloning.
B)   gene therapy.
C)   antisense therapeutic.
D)   DNA fingerprinting.E) A) and B)
F) B) and C)

Question 4

One of the first uses of DNA fingerprinting was in _________ medicine.

Accepted Answer

The answer of One of the first uses of DNA...

Question 5

The fluorescent in situ hybridization FISH)  probes are applied to intact cells and observed microscopically for the presence and location of

Accepted Answer

A)   DNA.
B)   RNA.
C)   proteins.
D)   recombinant DNA.
E)   specific genetic marker sequence on genes.F) B) and E)
G) A) and B)

Question 6

After 3 replication cycles in PCR, there will be a total of 4 double-stranded DNA molecules.

Accepted Answer

A) True 
 B)False

Question 7

Transgenic animals

Accepted Answer

A)   can be engineered to become factories for manufacturing proteins.
B)   are often obtained from germ line engineering.
C)   will pass the genes on to their offspring.
D)   commonly include mice.
E)   All of these choices are correct.F) A) and D)
G) A) and C)

Question 8

Although originally discovered in bacteria as a defense against bacteriophage infection, the CRISPR/Cas gene editing system can be used to edit the genome of any cell, whether microbial, plant, fungal, or animal.

Accepted Answer

A) True 
 B)False

Question 9

Two different nucleic acids can _____ by uniting at their complementary sites.

Accepted Answer

The answer of Two different nucleic acids can _____ by...

Question 10

Restriction endonucleases are obtained from various species of bacteria.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is true of the analysis of DNA fragments using gel electrophoresis?

Accepted Answer

A)   Larger DNA fragments move slowly and remain closer to the wells.
B)   DNA has an overall negative charge and moves to the positive pole.
C)   DNA fragments are stained to visualize them.
D)   An electric current through the gel causes DNA fragments to migrate.
E)   All of these choices are correct.F) C) and D)
G) A) and B)

Question 12

Transgenic animals are _____ modified organisms.

Accepted Answer

The answer of Transgenic animals are _____ modified organisms....

Question 13

All of the following are characteristics that make plids good cloning vectors, except

Accepted Answer

A)   they are small.
B)   they are well characterized.
C)   they can be transferred into appropriate host cells.
D)   they can carry genetic markers, such as antibiotic resistance genes.
E)   they can accept a relatively large amount of foreign DNA.F) D) and E)
G) B) and C)

Exam 10: Genetic Engineering: a Revolution in Molecular Biology

Which of the following is true of the analysis of DNA fragments using gel electrophoresis?

Correct Answer
verified

The enzyme_ adds nucleotides of DNA in the _direction when DNA is being semi-conservatively replicated.

Correct Answer
verified

A technique that separates a readable pattern of DNA fragments is

Correct Answer
verified

The fluorescent in situ hybridization FISH) probes are applied to intact cells and observed microscopically for the presence and location of

Correct Answer
verified

Although originally discovered in bacteria as a defense against bacteriophage infection, the CRISPR/Cas gene editing system can be used to edit the genome of any cell, whether microbial, plant, fungal, or animal.

Correct Answer
verified

Transgenic animals are _____ modified organisms.

Correct Answer
verified

All of the following are characteristics that make plids good cloning vectors, except

Correct Answer
verified

One of the first uses of DNA fingerprinting was in _________ medicine.

Correct Answer
verified

After 3 replication cycles in PCR, there will be a total of 4 double-stranded DNA molecules.

Correct Answer
verified

When patient tissues are transfected with viruses carrying a needed, normal human gene, the technique is called

Correct Answer
verified

Two different nucleic acids can _____ by uniting at their complementary sites.

Correct Answer
verified

Transgenic animals

Correct Answer
verified

Restriction endonucleases are obtained from various species of bacteria.

Correct Answer
verified

Exam 10: Genetic Engineering: a Revolution in Molecular Biology

Which of the following is true of the analysis of DNA fragments using gel electrophoresis?

Correct AnswerverifiedShow Answer

The enzyme___ adds nucleotides of DNA in the ___direction when DNA is being semi-conservatively replicated.

Correct AnswerverifiedShow Answer

A technique that separates a readable pattern of DNA fragments is

Correct AnswerverifiedShow Answer

The fluorescent in situ hybridization FISH) probes are applied to intact cells and observed microscopically for the presence and location of

Correct AnswerverifiedShow Answer

Although originally discovered in bacteria as a defense against bacteriophage infection, the CRISPR/Cas gene editing system can be used to edit the genome of any cell, whether microbial, plant, fungal, or animal.

Correct AnswerverifiedShow Answer

Transgenic animals are _____ modified organisms.

Correct AnswerverifiedShow Answer

All of the following are characteristics that make plids good cloning vectors, except

Correct AnswerverifiedShow Answer

One of the first uses of DNA fingerprinting was in _________ medicine.

Correct AnswerverifiedShow Answer

After 3 replication cycles in PCR, there will be a total of 4 double-stranded DNA molecules.

Correct AnswerverifiedShow Answer

When patient tissues are transfected with viruses carrying a needed, normal human gene, the technique is called

Correct AnswerverifiedShow Answer

Two different nucleic acids can _____ by uniting at their complementary sites.

Correct AnswerverifiedShow Answer

Transgenic animals

Correct AnswerverifiedShow Answer

Restriction endonucleases are obtained from various species of bacteria.

Correct AnswerverifiedShow Answer

Correct Answer
verified

The enzyme_ adds nucleotides of DNA in the _direction when DNA is being semi-conservatively replicated.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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