6. Release of some bacterial viruses is sometimes an ___________
Enzymatic process
Neurological response
7. Viruses contain no enzymes of energy metabolism, thus ________ make ATP
Can't
Can
8. Ellerman and Bang, and Rous reported that viruses could cause ________
Mouth
Headaches
Cancer
Feet
9. Hershey Dixon and Chase found that virus bacteriophage contained a different type of cytosine, and this could be used to estimate prescence of phage DNA
True
Fasle
10. This nucleic acid can be in a variety of physical forms that can be used as a valuable classification feature
True
False
11. Many animal viruses remain infectious for very long outside the host
False
True
12. Virus classification is based on _________
Analysis of the particle
The symptoms to the host
13. In animal viruses, some viral protein enters the cell along with viral genome
True
False
14. This involves fusion for enveloped viruses, and conformational changes in receptor binding proteins
Penetration
Adsorption
Replication
Eclipse
15. Viruses can be seen by _________
Electron microscopes
Light microscopes
16. All RNA viruses must encode RNA-dependent RNA polymerase
True
False
17. Animal viruses are mostly icosahedral (regular polyhedron with 12 corners, 20 faces, 30 edges) or____________
Helical
Square
Triangular
18. Some viruses are the size of eukaryotic cells
False`
True
19. Viruses ________ synthesise ribosomes
Can't
Can
20. During _______ the viral proteins bind to specific molecules on cell surfaces, for flu, HA binds to sialic acid