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Microbiology ch 13
viruses, viroids, and prions
| Question | Answer |
|---|---|
| In which of the following ways do viruses differ from bacteria? | Viruses are not composed of cells |
| Which of the following provides the most significant support for the idea that viruses are nonliving chemicals? | They cannot reproduce themselves outside of a host. |
| Bacteriophages and animal viruses do not differ significantly in which one of the following steps? | Biosynthesis |
| Which of the following is not a method of culturing viruses? | In culture media |
| The definition of lysogeny is | Phage DNA is incorporated into host cell DNA. |
| A viroid is | A naked, infectious piece of RNA. |
| Continuous cell lines differ from primary cell lines in that | Continuous cell lines can be maintained through an indefinite number of generations. |
| A slow viral infection is an infection in which | The disease process occurs gradually over a long period. |