Place And Significance Of Viruses Flashcards
1
Q
Forms of virus existence
A
Virion
Vegetative virus
2
Q
Inert particles transferring genetic information
High variety of shapes
20-300nm
A
Virion
3
Q
The Virus in the infected cell
A
Vegetative virus
4
Q
Reproduction of viruses
A
10^3 - 10^6 virion/host cell
No eng production and no protein synthesis E
No nucleic acid replicating E
5
Q
To the cells they are
A
Obligatory cell parasites
6
Q
Not pathogenic viruses that only infect with no disease
A
Orphan viruses
7
Q
Useful in
A
Biotechnology, gene therapy
Viral proteins as potential medecines
8
Q
Theories for origin
A
Cell degeneration
Runaway cell components
