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| 1 | |
Why do animal viruses have envelopes and phages do not? |
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| 2 | |
Would you expect the number of virons to be the same if you measured them
by the plaque assay or by counting using the electron microscope? Explain your
answer. |
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| 3 | |
Explain why HIV becomes resistant to drugs so quickly. |
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| 4 | |
Are all mutagens carcinogens and all carcinogens mutagens? Explain. |
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| 5 | |
Why is reverse transcriptase not found in normal cells? |
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| 6 | |
Why is it not surprising that AIDS patients frequently suffer a viral-induced
tumor? |
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| 7 | |
Can phenotypic mixing alter other properties of a virus other than host
range? Explain. |
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| 8 | |
Why does the exchange of protein coats alter the host range of a virus? |
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| 9 | |
Why is it surprising that some viruses have the ability to replicate in
both plants and animals? |
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| 10 | |
Why are viroids resistant to nucleases? |
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