BIO 205- Chapter 13 Viruses, Viroids and Prions
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| Place the following in the most likely order for biosynthesis: 1. Phage lysozyme 2. mRNA 3. DNA 4. viral proteins 5. DNA polymerase | show 🗑
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| The molecule serving as mRNA can be incorporated in the newly synthesized virus capsids of all the following except: | show 🗑
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| show | Synthesizes double-stranded RNA from an RNA template.
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| Which of the following would be the first step in the biosynthesis of a virus with reverse transcriptase? | show 🗑
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| An example of lysogeny in animals could be: | show 🗑
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| The ability of a virus to infect an organism is regulated by: | show 🗑
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| show | 3, 1, 2
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| Which of the following does not initiate DNA synthesis? | show 🗑
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| show | Hepatitis
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| show | Viruses are not composed of cells.
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| Which of the following provides the most significant support for the idea that viruses are nonliving chemicals? | show 🗑
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| show | They are used for penetration.
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| Which of the following is not used as a criterion to classify viruses? | show 🗑
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| Which of the following is not a method of culturing viruses? | show 🗑
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| A clear area against a confluent "lawn" of bacteria is called a | show 🗑
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| show | Prion
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| An envelope is acquired during which of the following steps? | show 🗑
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| show | refers to the spectrum of host cells in which a virus can multiply
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| show | the specific attachment site on the host cell's surface and the availbility of host cellular factors
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| Viral size is ascertained by: | show 🗑
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| What is "viruses range" in length? | show 🗑
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| show | Virion
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| T/F Viruses contain either DNA or RNA, never both | show 🗑
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| In relation to protein in viruses ranges from about 1% to about 50%. | show 🗑
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| The protein coat surrounding the nucleic acid of a virus is called: | show 🗑
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| Some envelopes are covered with carbohydrate-protein complexes called | show 🗑
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| resemble long rods, and their capsids are hollow cylinders surrounding the nucleic acid | show 🗑
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| What virus is manysided? Usually the capsid is an icosahedron | show 🗑
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| show | influenza virus
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| show | Simplexvirus
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| Classificatioin of viruses are based on: | show 🗑
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| Virus family names end in | show 🗑
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| show | -virus
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| show | viral species
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| show | Viruses
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| show | bacteriophages
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| show | bacteriophages with host bacteria and nutrient agar.
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| Each plaque originates with a single viral particle. teh concentration of viruses is given as: | show 🗑
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| What two viruses provide models to study human AIDS? | show 🗑
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| show | Cell cultures.
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| What test are used most often to identify viruses?. | show 🗑
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| Viruses may be indentified by: | show 🗑
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