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Final Jeopardy
Molecular
Genetics
Is
Some
Crazy
Stuff!
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1. The process in which DNA makes messenger RNA
2. The process in which DNA is synthesized from a
template strand
3. The process in which DNA is taken up by a
bacterial cell
4. The process in which a polypeptide strand is
synthesized using mRNA as a template
A. Translation
B. Replication
C. Transcription
D. Transformation
E. Termination
C
B
D
A
In any electrophoresis gel,
which fragment of DNA is
larger?
A. The one nearer the wells
B. The one farther from the
wells
A. The one nearer
the wells
All of the following are true about
electrophoresis EXCEPT:
A. It can be used to analyze only DNA
B. The heavier the fragment, the slower it
moves
C. The fragments of DNA are negatively charge
and migrate to the positive pole
D. A buffer must cover the gel to allow a
current to pass through the system
E. Restriction enzymes cut DNA in only certain
sites on the strand
A. It can be used to
analyze only DNA
In DNA replication, the role of DNA
polymerase is to:
A. Bring two separate strands back
together after new ones are formed
B. Join the RNA nucleotides together
to make the primer
C. Build a new strand from 5’ to 3’
D. Unwind the tightly wound helix
E. Join the Okazaki fragments
C. Build a new
strand from 5’ to 3’
Which is NOT used in the normal
replication of DNA?
A. RNA primer
B. Ligase
C. Restriction Enzymes
D. Polymerase
E. Single- Stranded binding protein
C. Restriction
Enzymes
DNA replication can best be described
as:
A. Semiconservative
B. Conservative
C. Degenerate
D. All of the above
E. None of the above
A.
Semiconservative
If a segment of DNA is 5’- TGA AGA
CCG- 3’, the RNA that results from
the transcription of this segment will
be:
A. 5’-TGA AGA CCG- 3’
B. 3’-GCC AGA AGT-5’
C. 3’-ACT TCT GGC-5’
D. 3’-CGG UCU UCA-5’
E. 3’-ACU UCU GGC-5’
E. 3’- ACU UCU
GGC-5’
Once transcribed, eukaryotic RNA
normally undergoes substantial
alteration that results primarily from:
A. Removal of exons
B. Removal of introns
C. Addition of introns
D. Combining of RNA strands by ligase
E. Editing by the Golgi apparatus
B. Removal of
introns
What is the primer that is required to
initiate the synthesis of a new strand
of DNA?
A.Single-stranded binding protein
B. RNA
C. DNA
D. Topoisomerases
E. Ligase
B. RNA
If guanine makes up 28% of the
nucleotides in a sample of DNA from an
organism, then thymine would make up
___% of the nucleotides
A. 28
B. 56
C. 22
D. 44
E. 0
C. 22
If AUU is the codon, what is the
anticodon?
A. AUU
B. TAA
C. UUA
D. UAA
D. UAA
Which of the following is TRUE about sickle
cell anemia?
A. It is caused by a chromosome mutation
that resulted from nondisjunction
B. It is common in people from the Middle
East
C. It is never found in Caucasians
D. A person with sickle cell anemia is
resistant to may other genetic disorders
E. It is caused by a point mutation
E. It is caused by a
point mutation
A particular triplet code on DNA is
AAA. What is the anticodon for it?
A. AAA
B. TTT
C. UUU
D. CCC
E. GGG
A. AAA
Prions are:
A.Bacteriophages that cause disease
B. Infectious proteins
C. A bacterium that infects viruses
D. The cause of sickle cell anemia
E. Introns that have been excised
from a strand of mRNA
B. Infectious
Protein
Which is true of biotechnology techniques?
A. PCR is used to cut DNA molecules
B. A DNA probe consists of a radioactive
single strand of DNA
C. Restriction enzymes were first
discovered in bacteriophage viruses.
D. EcoRI is a name for a DNA probe.
E. All humans contain the same RFLPS’s
B. A DNA probe
consists of a
radioactive single
strand of DNA
Gel electrophoresis is used to:
A. Amplify small pieces of DNA
B. Make bacterial cells competent
C. Cut DNA into small pieces
D. Cause DNA to twist back into a helix
after amplification
E. Separate DNA that has already been cut
up
E. Separate DNA
that has been
already cut up
Mad cow disease is caused by a:
A. Virus
B. Prion
C. Bacterium
D. Genetic Mutation
E. Plant Toxin
B. Prion
Which enzyme permanently seals together
DNA fragments that have complementary
sticky ends?
A. DNA Polymerase
B. Single- Stranded binding protein
C. Reverse Transcriptase
D. DNA ligase
E. RNA Polymerase
D. DNA Ligase
Which of the following is correct about the structure
of DNA as proposed by Watson and Crick?
A. DNA is single-stranded
B. DNA has A,T,C,G, and U nucleotides.
C. DNA has two strands, which are antiparallel
to each other.
D. DNA has two strands, which are parallel to
each other.
E. DNA has two strands, which are composed of
25% of each kind of nucleotides.
C. DNA has two
strands, which are
antiparallel to each
other.
Antibiotic resistance genes are used in
transformation experiments:
A. To kill all of the bacteria in the Petri dish.
B. To indicate which cells have been
transformed.
C. To indicate which cells have not been
transformed.
D. To make it easier for the cell to take in
additional genes.
E. To inactivate the bacterial cells.
B. To indicate
which cells have
been transformed.
Which of the following statements is true
about DNA replication in prokaryotes but
not in eukaryotes?
A. There is only one origin of replication.
B. There are multiple origins of replication.
C. Nucleotides are added at the rate of 5005000 nucleotides per minute.
D. DNA polymerases are required.
E. Helicase unwinds the DNA molecule
A. There is only
one origin of
replication.
Key :
A. DNA Polymerase
B. DNA Ligase
C. Helicase
D. Binding Protein
E. Primase
1. The enzyme that adds DNA nucleotides to the
template strand.
2. The enzyme that binds Okazaki fragments to
each other.
3. The enzyme that unwinds the double helix
4. The enzyme that makes the RNA primer.
A
B
C
E
Which of the following processes must
precede cell division?
A. Condensation
B. Hydrolysis
C. Replication
D. Transcription
E. Translation
C. Replication
Key:
A. Restriction Enzymes
B. DNA Ligase
C. DNA polymerase
D. Reverse Transcriptase
E. Helicase
1. Used to cut open a plasmid prior to trying to
insert a new gene
2. Used to reattach sticky ends in a plasmid and to
attach Okazaki fragments to each other.
3. Used to make cDNA from mRNA
4. Used to unwind DNA
5. Adds DNA nucleotides during replication
A
B
D
E
C
Key:
A. Electrophoresis
B. Transformation
C. PCR
D. Restriction Enzymes
E. Transcription
1. Used to make multiple copies of DNA
2. Used to cut DNA apart
3. Used to make bacteria that will then synthesize
multiple copies of a gene product, such as insulin
4. Used to separate pieces of DNA
5. Used to make DNA fingerprints after the DNA
has been cut apart.
C
D
B
A
A
Make your wager
Final Answer
Final Question