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Ch.20.1- Viruses
Quiz by Kate Downey
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63 questions
Q.Which of the following could NOT be used to grow viruses in the laboratory?
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Q.Which of these is the best description of a virus?
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Q.The innermost portion of a virus's structure is made up of
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Q.If a virus is termed “dormant”, this means it
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Q.Some, but not all, viruses contain ______, located on their outer or inner surface.
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Q.In order to infect a cell, a virus must
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Q.The viral infection cycle that will cause the viral DNA to become integrated into the bacterial DNA is called the _______ cycle.
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Q.Which of the following is not true of viruses?
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Q.Which of the following characterize prions?
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Q.Letters “a”, “b”, “e”, “f”, and “g” represent
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Q.Which part of the diagram is representing the assembly stage?
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Q.The letter “d” represents a
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Q.Which of the following are characteristics of a virus?
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Q.What nucleic acid is found in viruses?
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Q.What is a capsid?
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Q.Sometimes, a virus becomes part of the host DNA and remains in the host cell for a long period of time. This process is called the ___________________.
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Q.Which of the following is necessary for a virus to reproduce?
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Q.Vaccines protect us against dangerous viral diseases by training the body to recognize and destroy specific invading viruses. Vaccines are made from
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Q.A natural vaccination happens when
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Q.Viruses are carried within the fluids and tissues of the body. They are spread between people in different ways, including
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Q.The immune system protects the body from disease. Because the HIV/AIDS virus weakens the immune system,
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Q.Viruses in the body are destroyed by
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Q.Some types of viruses are spread between animals and humans. An example of this is
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Q.In order to multiply, a virus must
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Q.The use of antibiotics is an effective treatment for
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Q.Overuse and improper use of antibiotics may cause
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Q.Viruses are alive.
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Q.Most viruses have the structural arrangement of
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Q.Lysogenic viruses DO NOT
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Q.Some virial infections symptoms can be decreased with vaccines.
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Q.A lysogenic cycle involves
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Q.__________ are small naked fragments of RNA that infect plant cells.
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Q.Viruses have an overall structure that is
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Q.Which of the following are not matched correctly:
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Q.Retroviruses are viruses made of RNA.
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Q.How do viruses gain entry to a host cell?
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Q.Bacteriophage are:
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Q.Letters A-G represent what viral infection?
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Q.List the order of major events of the lytic cycle.
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Q.The protein coat that surrounds the nucleic acid core of the virus is called a:
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Q.Mad Cow disease, Kuru, Creutzfeldt-Jakob disease (CJD) and sheep scrapie are caused by
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Q.Once in the lytic cycle a virus cannot change to the lysogenic cycle.
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Q.What ways are viruses organized?
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Q.A virus's outer protein coat is called a
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Q.A lytic infection concludes with the
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Q.Unlike lytic viruses, lysogenic viruses do not
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Q.During a lytic infection, the host cell is
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Q.Viruses cause infection by
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Q.What letter represents the nucleic acid?
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Q.What letter represents the capsid?
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Q.A stimulus from the environment, such as a fever could cause a virus to change from the lysogenic to lytic cycle.
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Q.Which of the following is not a prion disease?
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Q.Viroids are composed of
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Q.Viroids cause millions of dollars in damage to plants due to what reason?
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Q.Viral genomes vary greatly in size and may include from four genes to several hundred genes. Which of the following things would these genes likely encode for?
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Q.The host range of a virus is determined by
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Q.Which of the following can be effective in preventing viral infection in humans?
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Q.What are prions?
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Q.Which of the following is the most probable fate of a newly emerging virus that causes high mortality in its host?
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Q.Prions are:
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Q.Which of the following mechanisms is not a method by which prions are
transmitted?
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Q.Which of the following is NOT part of the typical viral structure?
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Q.Place the following lysogenic replication events in order of occurrence: 1. incorporating viral DNA into host cell, 2. attachment, 3. release, 4. assembly, 5. synthesis
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