lecture 9 viral properties Flashcards
1
Q
bacteriophage?```
A
infects bacterium
2
Q
what is isochedron
A
symetric
20 faces
each face has dif types of proteins
3
Q
nucleocapsid
A
contains the genome
4
Q
infective part of the virus
A
virion
5
Q
no envelope virus
A
naked
6
Q
where does the envelope come fromq
A
host
7
Q
what is the envelope made up of
A
phospholipids and lipids
8
Q
influenza envoloped?
A
ya
9
Q
norovirus enveloped?
A
na
10
Q
what does translation of the genome always require
A
positive RNA
11
Q
3 proteins viral genomes code for
A
progeny viral particles
enzymes for genome replication
interfere with host immune defenses
12
Q
can viruses live extracellularly
A
na
13
Q
how can a virus enter host cell
A
inject viral contense directly
be endocytosed and release from within
14
Q
latent infection
A
DNA is encorporated into genome but not always symptoms
15
Q
how can a virus cause cancer
A
oncogene
