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13 Cards in this Set
- Front
- Back
Virus |
Latin for "Poison" |
|
Dimitri Ivanovski (1892) |
Discovered Tobacco Mosaic |
|
Tobacco Mosaic |
1st viral Disease |
|
Martinus Beijernick |
Discovered the first virus |
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Virus characteristics |
-Most scientists considered them non-living *Cannot Reproduce on their own * Contain: 2.) A protein coat 3.) Fats or Lipids |
|
Virus Characteristics |
* Can reproduce, but needs another cell to do it * Has many shapes and sizes * Viruses only attack certain types of cells and can only attach to certain cells |
|
Lytic cycle of Infection (Most Common) |
1.) Attaches to cell 2.) Injects DNA/RNA 3.) DNA takes over cells DNA and makes new viruses 4.)Cell Bursts (Lyses) 5.) New viruses are released and attach to new cells |
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Lysogenic Cycle |
Virus embeds itself into cells DNA and become a part of it *Host cells burst right away Ex.) Chicken Pox, Shingles, HIV, and Herpes |
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Vaccines |
Dead or weakened forms of a virus that prevent people from getting the actual virus |
|
Edward Jenner |
Created the first vaccine for the smallpox by using cowpox |
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Oncogenic Viruses |
Causes Cancer |
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Retroviruses |
Contain RNA and makes DNA that it needs later |
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Prions |
Particles with no DNA or RNA, but still cause disease Ex.) Mad Cow, Chronic Wasting, and ( CJD) |