Morphology Of Viruses Flashcards
1
Q
Virion structure
A
Core: NA+P
Capsid: P
+/- envelope: L membrane + P
2
Q
Examination methods
A
Électron microscopy (inner structure)
Negative contrast staining (surface)
Shadow-casting (3D)
3
Q
The morphology is determined by the
A
Capsid
4
Q
The protein units of the capsid
A
Capsomers
5
Q
NA+capsomers
Nucleocapsid
A
Helical
6
Q
Which shape is not an animal pathogen
A
Helical
7
Q
Always enveloped
A
Quasihelical
8
Q
Cubic, spherical
P aranged into capsomers
May have envelope
Like a football
A
Icosohedral
9
Q
Icosodral head+ helical tail
A
Binal
10
Q
No capsomers
Complicated symmetry
A
Complex
11
Q
Change shape
No capsid
Always enveloped
A
Pleomorphic
12
Q
Always enveloped (2)
A
Quasihedral and Pleomorphic
