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viruses
| Question | Answer |
|---|---|
| what is a virus | non-cellular particle made up of genetic material and protein that can invade a living cell |
| Viruses are not | living |
| tobacco mosaic virus | first virus purified and identifyed |
| bacteriophages | viruses that attack bacteria |
| viruses show diversity in | shape |
| common viruses | smallpox,HIV,hepatitis,flu,warts,rabies,measles,mumps,chickenpox,herpes |
| viral reproduction | viruses can only reproduce by invading a host cell, using cell enzymes and organelles |
| lysogenic cycle | the virus doesn't immediately destroy the cell. the DNA is replicated and sent to many daughter cells "a time bomb" |
| AIDS is a | retrovirus |