11. Virus Flashcards
1
Q
What are nucleoproteins?
A
Nucleic acids and proteins
2
Q
What do nucleoproteins form?
A
capsid with protein subunit
3
Q
What are two ways by which they can cause disease?
A
- using host cell organelles
- disrupting metabolic processes
4
Q
Viruses shapes
A
rigid rods, flexuous rods, basillus like
5
Q
characteristic of capsids
A
contain identical protein subunits which contain same number of amino acids
6
Q
List 6 ways through which viruses can transmit diseases?
A
- Mechanically sap transmitted
- Vegetative propagation
- Pollen
- Seed
- Vectors
- Plants
7
Q
Ways to identify viruses
A
- Light microscopic observations
- Transmission
- Host range and type of symptoms
- Crude sap properties (Thermal inactivation point, dilution point, longevity in vitro)
- Serology
