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24 Cards in this Set
- Front
- Back
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Viroids are... |
Naked RNA |
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The length of viroid RNA is... |
Short |
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Viroids have no... |
Protein-coats or proteins |
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Viroids are only found in... |
Plant diseases |
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Viroids are described as... |
Hardy |
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Viroids are (a.) Prokaryotes, or (b.) Eukaryotes |
(b.) Eukaryotes |
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Prions are (a.) Prokaryotes or (b.) Eukaryotes |
(a.) Prokaryotes |
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Prions are bacteria (TRUE or FALSE) |
FALSE. Prions are proteins, not bacteria or viruses. |
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Prions~ no (_______) acid |
Nucleic acid |
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Prions are considered... |
Pathogens |
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Prions can... |
Prions can change shape spontaneously |
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Prions are found in... |
Prions are found in THE BRAIN of every animal |
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Argument(s) in favor of being alive |
Has genetic material (DNA/RNA) |
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Arguments against viruses being alive |
~Not mobile ~No sense of direction or thought ~No metabolism/cell membrane/ ability to reproduce on its own ~Needs a host to reproduce |
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What is a Lytic virus? |
A lytic virus disintegrates the host DNA. It uses the host organelles to reproduce and then destroys the host. |
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What is a Lysogenic virus? |
A Lysogenic virus integrates it's genetic material into the host DNA then the cell reproduces to create more infected cells. When activated, the cell becomes Lytic. |
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When a virus invades a host, it brings... |
Nucleic acid and enzymes |
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Which enzyme integrates viral DNA into host DNA |
Integrase |
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What do temperate viruses do? |
Integrate their DNA into the host DNA |
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Are temperate viruses dangerous? |
For the most part, no. SOME however create a very dangerous toxin in the temperate phase that can be deadly |
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Viruses are... |
Small in size, long, and thin |
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Viruses have... |
DNA or RNA |
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Viruses are protected by... |
Protein coat |
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Viral genetic material can either be... |
ds or ss |
