Transcript Viruses Jeopardy
Chapter 13 – Viruses, Viroids, and Prions General Viral Characteristics and Information Viral Morphology and Culturing
#1 Viral Multiplication (Life Cycles) #2 Viral Multiplication (Life Cycles) Misc.
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 virion b. All bacteria contain capsids c. Viruses are filterable d. Viruses are not composed of cells
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 virion b. All bacteria contain capsids c. Viruses are filterable d. (Correct Answer) Viruses are not composed of cells
Topic 1: General Viral Characteristics and Information $200 Question Which of the following statements about spikes is
FALSE
?
a. They may change b. Neuraminidase is not a spike c. They may be used for attachment d. They may cause hemagglutination
Topic 1: General Viral Characteristics and Information $200 Answer Which of the following statements about spikes is
FALSE
?
a. They may change b. Neuraminidase is not a spike (correct answer) c. They may be used for attachment d. They may cause hemagglutination
Topic 1: General Viral Characteristics and Information $300 Question Viruses that infect bacteria are called a. Bacteriophages b. Prions c. Viroids d. Polyhedral viruses
Topic 1: General Viral Characteristics and Information $300 Answer Viruses that infect bacteria are called a. Bacteriophages (correct answer) b. Prions c. Viroids d. Polyhedral viruses
Topic 1: General Viral Characteristics and Information $400 Question What is the difference between ‘host range’ and ‘obligate intracellular parasites’?
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 infect Obligate intracellular parasitism: Viruses can only replicate while inside of a host cell
Topic 1: General Viral Characteristics and Information $500 Question Which of the following is
NOT
used as a criterion to classify viruses?
a. Host range b. Type of nucleic acid c. Strategy for replication (life cycle) d. Number of capsomeres
Topic 1: General Viral Characteristics and Information $500 Answer Which of the following is
NOT
used as a criterion to classify viruses?
a. Host range b. Type of nucleic acid c. Strategy for replication (life cycle) d. (correct answer) Number of capsomeres
Topic 2: Viral Morphology and Culturing $100 Question 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
Topic 2: Viral Morphology and Culturing $200 Question Viruses
CANNOT
be cultured a. In laboratory animals b. In cell culture c. In embryonated eggs d. In culture media
Topic 2: Viral Morphology and Culturing $200 Answer Viruses
CANNOT
be cultured a. In laboratory animals b. In cell culture c. In embryonated eggs d. In culture media (correct answer)
Topic 2: Viral Morphology and Culturing $300 Question An envelope is created by what process?
Topic 2: Viral Morphology and Culturing $300 Answer An envelope is created by what process?
Correct answer: Budding
Topic 2: Viral Morphology and Culturing $400 Question Explain the picture.
Topic 2: Viral Morphology and Culturing $400 Answer Correct 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.
Topic 2: Viral Morphology and Culturing $500 Question Which of the following statements about viruses is
FALSE
?
a. Viruses use their own catabolic enzymes b. Viruses contain a protein coat c. Viruses contain DNA or RNA but never both in the virion d. Viruses use the anabolic machinery of the cell
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 coat c. Viruses contain DNA or RNA but never both in the virion d. Viruses use the anabolic machinery of the cell
Topic 3:
#1 Viral Multiplication (Life Cycles)
$100 Question A Prophage is… A) An animal virus B) The capsid portion of a virion C) Viral DNA D) Only found in the Lytic Life Cycle
Topic 3:
#1 Viral Multiplication (Life Cycles)
$100 Answer A Prophage is… A) An animal virus B) The capsid portion of a virion C) Viral DNA (correct answer) D) Only found in the Lytic Life Cycle
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 material B) Virus attaches to the surface of the cell C) Virus penetrates the host cell D) Phage DNA is packaged in capsids E) Cell ruptures
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 material B) (1) Virus attaches to the surface of the cell C) (2) Virus penetrates the host cell D) (4) Phage DNA is packaged in capsids E) (5) Cell ruptures B C A D E
Topic 3:
#1 Viral Multiplication (Life Cycles)
$300 Question
You MUST answer the $200 question FIRST!!!
The life cycle in the previous question is… A) An animal DNA virus life cycle B) A lytic life cycle C) A latent virus D) A lysogenic bacteriophage
Topic 3:
#1 Viral Multiplication (Life Cycles)
$300 Answer The life cycle in the previous question is… A) An animal DNA virus life cycle B) A lytic life cycle (correct answer) C) A latent virus
D) A lysogenic bacteriophage
Topic 3:
#1 Viral Multiplication (Life Cycles)
$400 Question ‘Transduction’ is part of which life cycle?
a. Lysogenic bacteriophage b. Lytic T even bacteriophage c. HIV d. RNA animal viruses
Topic 3:
#1 Viral Multiplication (Life Cycles)
$400 Answer ‘Transduction’ is part of which life cycle?
a. (correct answer) Lysogenic bacteriophage b. Lytic T even bacteriophage c. HIV d. RNA animal viruses
Topic 3:
#1 Viral Multiplication (Life Cycles)
$500 Question What is a protease?
Topic 3:
#1 Viral Multiplication (Life Cycles)
$500 Answer (correct answer) A protease is an enzyme that degrades proteins
Topic 4:
#2 Viral Multiplication (Life Cycles)
$100 Question Packaging, maturation, and assembling all refer to… A) Entry of the virus into the host cell B) Putting together the viral components C) Release from the cell D) Insertion of the prophage into host DNA
Topic 4:
#2 Viral Multiplication (Life Cycles)
$100 Answer Packaging, maturation, and assembling all refer to… A) Entry of the virus into the host cell B) Putting together the viral components C) Release from the cell D) Insertion of the prophage into host DNA
Topic 4:
#2 Viral Multiplication (Life Cycles)
$200 Question
What virus has this life cycle?
Topic 4:
#2 Viral Multiplication (Life Cycles)
$200 Answer
What virus has this life cycle?
Correct answer: Retrovirus
Topic 4:
#2 Viral Multiplication (Life Cycles)
$300 Question What is the name of the enzyme that converts retroviral ssRNA into dsDNA?
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
Topic 4:
#2 Viral Multiplication (Life Cycles)
$400 Question You MUST do $300 question before this question!
6 1 In what cell is reverse transcriptase performing its function?
5 2 4 3
Topic 4:
#2 Viral Multiplication (Life Cycles)
$400 Answer In what cell is reverse transcriptase performing its function?
Correct answer: Cell 2
Topic 4:
#2 Viral Multiplication (Life Cycles)
$500 Question RNA viruses: What is a + strand?
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.
Topic 5: Misc.
$100 Question A viroid is a. A provirus b. A naked, infectious piece of RNA c. A capsid without nucleic acid d. A complete, infectious virus particle
Topic 5: Misc.
$100 Answer A viroid is a. A provirus b. A naked, infectious piece of RNA (correct answer) c. A capsid without nucleic acid d. A complete, infectious virus particle
Topic 5: Misc.
$200 Question What type of viral nucleic acid is required for a virus to cause cancer?
Topic 5: Misc.
$200 Answer What type of viral nucleic acid is required for a virus to cause cancer?
Correct answer: dsDNA
Topic 5: Misc.
$300 Question In general, what type of cell is more easily infected with viruses- animal cells or plant cells?
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
Topic 5: Misc.
$400 Question What does the cell need to make more viral RNA + strands?
Topic 5: Misc.
$400 Answer What does the cell need to make more viral RNA + strands?
Correct answer: - strands
Topic 5: Misc.
$500 Question Which of the following is not true about Prions ?
a. Prions may be inherited b. Prions are infectious protein c. Prions are curable d. Prions are transmissible
Topic 5: Misc.
$500 Answer Which of the following is not true about Prions ?
a. Prions may be inherited b. Prions are infectious protein c. Prions are curable (correct answer) d. Prions are transmissible
FINAL ROUND
Question Are you glad the semester is almost over?
FINAL ROUND
Answer Duh