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10 Cards in this Set
- Front
- Back
Viruses have ancestors? |
No |
|
Regressive hypothesis of viral evolution |
Gained from dna and rna and escaped |
|
Why aren’t viruses cells |
They can’t grow |
|
First virus discovered |
Tobacco mosaic virus |
|
Structure of virus |
Dna or rna, protein coat called a capsid |
|
Additional structures |
Glycoproteins |
|
Filamentous |
Cylinder |
|
Isometric |
Roughly spherical |
|
Enveloped |
Membrane |
|
Head and tail |
Tail attaches to host, head house genome. (Bacteriophage) |