Intro Virology Flashcards
0
Q
Size of viruses
A
Smaller than 400 nm wavelength
Smaller than bacteria
1
Q
4 transmission routes
A
Air
Ingestion
Blood
Animal vectors
2
Q
Properties of a virus
A
Inert biological structure
No metabolic activity outside a living cell
Need a host
Contain nucleic acid (DNA &/or RNA & protein
3
Q
What makes up the structure of a virus?
A
Nucleic acid (DNA or RNA)
Protein coat
Some have lipoprotein envelope
4
Q
Virion
A
Mature virus particle
5
Q
Capsid
A
Protein coat
6
Q
Nucleocapsid
A
Capsid + genome
7
Q
Core
A
Internal component of virus
8
Q
How do we class viruses?
A
….
9
Q
Is the herpes simplex virus enveloped or not?
A
It is enveloped
10
Q
Is the adenovirus enveloped?
A
No
11
Q
2 types of DNA viruses
A
Ss
Ds
12
Q
4 types of RNA virus
A
Ds
Ss +
Ss -
Reverse
13
Q
Steps in virus life cycle
A
Entry Uncoating Replication Protein synthesis Assembly Budding/lysis
