Morphology Of Viruses Flashcards

1
Q

Virion structure

A

Core: NA+P
Capsid: P
+/- envelope: L membrane + P

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2
Q

Examination methods

A

Électron microscopy (inner structure)
Negative contrast staining (surface)
Shadow-casting (3D)

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3
Q

The morphology is determined by the

A

Capsid

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4
Q

The protein units of the capsid

A

Capsomers

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5
Q

NA+capsomers

Nucleocapsid

A

Helical

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6
Q

Which shape is not an animal pathogen

A

Helical

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7
Q

Always enveloped

A

Quasihelical

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8
Q

Cubic, spherical
P aranged into capsomers
May have envelope
Like a football

A

Icosohedral

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9
Q

Icosodral head+ helical tail

A

Binal

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10
Q

No capsomers

Complicated symmetry

A

Complex

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11
Q

Change shape
No capsid
Always enveloped

A

Pleomorphic

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12
Q

Always enveloped (2)

A

Quasihedral and Pleomorphic

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