Chapter 13 – Viruses, Viroids, and Prions
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General Viral Characteristics
and Information
Viral Morphology
and Culturing
#1 Viral Multiplication (Life Cycles)
#2 Viral Multiplication (Life Cycles)
Misc.
FINAL ROUND
Topic 1: General Viral Characteristics and Information
$100 Question
Viruses differ from all bacteria in that…a. Viruses have DNA and RNA
simultaneously in the virionb. All bacteria contain capsidsc. Viruses are filterabled. Viruses are not composed of cells
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ANSWER
Topic 1: General Viral Characteristics and Information
$100 Answer
Viruses differ from all bacteria in that…a. Viruses have DNA and RNA
simultaneously in the virionb. All bacteria contain capsidsc. Viruses are filterabled. (Correct Answer)Viruses are not composed of cells
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Topic 1: General Viral Characteristics and Information
$200 Question
Which of the following statements about spikes is FALSE?
a. They may changeb. Neuraminidase is not a spikec. They may be used for attachmentd. They may cause hemagglutination
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ANSWER
Topic 1: General Viral Characteristics and Information
$200 Answer
Which of the following statements about spikes is FALSE?
a. They may changeb. Neuraminidase is not a spike
(correct answer)c. They may be used for attachmentd. They may cause hemagglutination
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Topic 1: General Viral Characteristics and Information
$300 Question
Viruses that infect bacteria are called a. Bacteriophages
b. Prionsc. Viroidsd. Polyhedral viruses
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ANSWER
Topic 1: General Viral Characteristics and Information
$300 Answer
Viruses that infect bacteria are called a. Bacteriophages (correct answer)
b. Prionsc. Viroidsd. Polyhedral viruses
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Topic 1: General Viral Characteristics and Information
$400 Question
What is the difference between ‘host range’ and ‘obligate intracellular parasites’?
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ANSWER
Topic 1: Topic 1: General Viral Characteristics and Information
$400 Answer
What is the difference between host range and obligate intracellular parasites?Correct Answer:Host range: The specific species a virus can infectObligate intracellular parasitism: Viruses can only replicate while inside of a host cell
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Topic 1: General Viral Characteristics and Information
$500 Question
Which of the following is NOT used as a criterion to classify viruses?
a. Host rangeb. Type of nucleic acidc. Strategy for replication (life cycle)d. Number of capsomeres
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ANSWER
Topic 1: General Viral Characteristics and Information
$500 Answer
Which of the following is NOT used as a criterion to classify viruses?
a. Host rangeb. Type of nucleic acidc. Strategy for replication (life cycle)d. (correct answer) Number of
capsomeres
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Topic 2: Viral Morphology and Culturing
$100 Question
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ANSWER
What is the ‘morphological type’ of this virus?
Topic 2: Viral Morphology and Culturing
$100 Answer
What is the ‘morphological type’ of this virus?
Correct answer: Complex
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Topic 2: Viral Morphology and Culturing
$200 Question
Viruses CANNOT be cultured a. In laboratory animals
b. In cell culturec. In embryonated eggsd. In culture media
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ANSWER
Topic 2: Viral Morphology and Culturing
$200 Answer
Viruses CANNOT be cultured a. In laboratory animals
b. In cell culturec. In embryonated eggsd. In culture media (correct answer)
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Topic 2: Viral Morphology and Culturing
$300 Question
An envelope is created by what process?
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ANSWER
Topic 2: Viral Morphology and Culturing
$300 Answer
An envelope is created by what process?
Correct answer: Budding
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Topic 2: Viral Morphology and Culturing
$400 Question
Explain the picture.
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ANSWER
Topic 2: Viral Morphology and Culturing
$400 AnswerCorrect answer: This is a picture of bacteria growing in a petri plate. The bacteria have been infected with a bacteriophage- the ‘clearings’ (blank spaces called plaques) on the plate depict areas where a phage has infected and killed the bacteria.
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Topic 2: Viral Morphology and Culturing
$500 Question
Which of the following statements about viruses is FALSE?
a. Viruses use their own catabolic enzymesb. Viruses contain a protein coatc. Viruses contain DNA or RNA but never
both in the viriond. Viruses use the anabolic machinery of
the cell
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ANSWER
Topic 2: Viral Morphology and Culturing
$500 Answer
Which of the following statements about viruses is FALSE?
a. Viruses use their own catabolic enzymes (correct answer)
b. Viruses contain a protein coatc. Viruses contain DNA or RNA but never
both in the viriond. Viruses use the anabolic machinery of
the cell
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Topic 3: #1 Viral Multiplication (Life Cycles)$100 Question
A Prophage is…
A) An animal virusB) The capsid portion of a virionC) Viral DNAD) Only found in the Lytic Life Cycle
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ANSWER
Topic 3: #1 Viral Multiplication (Life Cycles)
$100 Answer
A Prophage is…
A) An animal virusB) The capsid portion of a virionC) Viral DNA (correct answer)D) Only found in the Lytic Life Cycle
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Topic 3: #1 Viral Multiplication (Life Cycles)
$200 Question
Put the following steps of this viral life cycle in the correct order.A) Virus forces the cell to synthesize viral
proteins and viral genetic materialB) Virus attaches to the surface of the cellC) Virus penetrates the host cellD) Phage DNA is packaged in capsidsE) Cell ruptures
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ANSWER
Topic 3: #1 Viral Multiplication (Life Cycles) $200 Answer
The correct order is...A) (3) Virus forces the cell to synthesize
viral proteins and viral genetic materialB) (1) Virus attaches to the surface of the
cellC) (2) Virus penetrates the host cellD) (4) Phage DNA is packaged in capsidsE) (5) Cell ruptures B C A D E BACK TO GAME
Topic 3: #1 Viral Multiplication (Life Cycles) $300 QuestionYou MUST answer the $200 question FIRST!!!
The life cycle in the previous question is…A) An animal DNA virus life cycleB) A lytic life cycleC) A latent virusD) A lysogenic bacteriophage
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ANSWER
Topic 3: #1 Viral Multiplication (Life Cycles) $300 Answer
The life cycle in the previous question is…A) An animal DNA virus life cycleB) A lytic life cycle (correct answer)C) A latent virusD) A lysogenic bacteriophage
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Topic 3: #1 Viral Multiplication (Life Cycles) $400 Question
‘Transduction’ is part of which life cycle?a. Lysogenic bacteriophageb. Lytic T even bacteriophagec. HIVd. RNA animal viruses
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ANSWER
Topic 3: #1 Viral Multiplication (Life Cycles) $400 Answer
‘Transduction’ is part of which life cycle?a. (correct answer) Lysogenic
bacteriophageb. Lytic T even bacteriophagec. HIVd. RNA animal viruses
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Topic 3: #1 Viral Multiplication (Life Cycles) $500 Question
What is a protease?
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Topic 3: #1 Viral Multiplication (Life Cycles) $500 Answer
(correct answer) A protease is an enzyme that degrades proteins
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Topic 4: #2 Viral Multiplication (Life Cycles)$100 Question
Packaging, maturation, and assembling all refer to…A) Entry of the virus into the host cellB) Putting together the viral componentsC) Release from the cellD) Insertion of the prophage into host DNA
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ANSWER
Topic 4: #2 Viral Multiplication (Life Cycles)
$100 Answer
Packaging, maturation, and assembling all refer to…A) Entry of the virus into the host cellB) Putting together the viral componentsC) Release from the cellD) Insertion of the prophage into host DNA
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Topic 4: #2 Viral Multiplication (Life Cycles)
$200 Question What virus has this life cycle?
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ANSWER
Topic 4: #2 Viral Multiplication (Life Cycles)
$200 Answer What virus has this life cycle?Correct answer: Retrovirus
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Topic 4: #2 Viral Multiplication (Life Cycles)
$300 Question
What is the name of the enzyme that converts retroviral ssRNA into dsDNA?
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Topic 4: #2 Viral Multiplication (Life Cycles)
$300 Answer
What is the name of the enzyme that converts retroviral ssRNA into dsDNA?(correct answer) Reverse Transcriptase
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Topic 4: #2 Viral Multiplication (Life Cycles) $400 Question You MUST do $300 question before this question!
In what cell is reverse transcriptase performing its function?
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ANSWER
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Topic 4: #2 Viral Multiplication (Life Cycles)
$400 Answer
In what cell is reverse transcriptase performing its function?
Correct answer: Cell 2
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Topic 4: #2 Viral Multiplication (Life Cycles)
$500 Question
RNA viruses: What is a + strand?
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ANSWER
Topic 4: #2 Viral Multiplication (Life Cycles)
$500 Answer
RNA viruses: What is a + strand?
Correct answer: The + strand is the ‘sense strand’ (mRNA strand) that contains codons that are complimentary to anticodons on tRNA molecules that carry specific amino acids.
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Topic 5: Misc.
$100 Question
A viroid isa. A provirusb. A naked, infectious piece of RNAc. A capsid without nucleic acidd. A complete, infectious virus particle
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ANSWER
Topic 5: Misc.
$100 Answer
A viroid isa. A provirusb. A naked, infectious piece of RNA
(correct answer)c. A capsid without nucleic acidd. A complete, infectious virus particle
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Topic 5: Misc.
$200 Question
What type of viral nucleic acid is required for a virus to cause cancer?
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ANSWER
Topic 5: Misc.
$200 Answer
What type of viral nucleic acid is required for a virus to cause cancer?
Correct answer: dsDNA
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Topic 5: Misc.
$300 Question
In general, what type of cell is more easily infected with viruses- animal cells or plant cells?
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ANSWER
Topic 5: Misc.
$300 Answer
In general, what type of cell is more easily infected with viruses- animal cells or plant cells?
Correct answer: Animal cells
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Topic 5: Misc.
$400 Question
What does the cell need to make more viral RNA + strands?
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ANSWER
Topic 5: Misc.
$400 Answer
What does the cell need to make more viral RNA + strands?
Correct answer: - strands
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Topic 5: Misc.
$500 Question
Which of the following is not true about Prions ?
a. Prions may be inheritedb. Prions are infectious protein c. Prions are curabled. Prions are transmissible
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ANSWER
Topic 5: Misc.
$500 Answer
Which of the following is not true about Prions ?
a. Prions may be inheritedb. Prions are infectious protein c. Prions are curable (correct answer)d. Prions are transmissible
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FINAL ROUND Question
Are you glad the semester is almost over?
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ANSWER
FINAL ROUND Answer
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Duh