Viruses From Animal and Plants
Viral matrix proteins are

anchor the envelope of enveloped viruses
part of the nucleoprotein core of viruses
found mainly on naked viruses
exposed on the surface of the virus

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Viruses From Animal and Plants
Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms?

Reassortment of RNA segments from different influenza viruses
Somatic recombination of heavy and light chains
Expression of several different capsule types
Changing the receptor binding canyon that docks with the host receptor

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Viruses From Animal and Plants
Which of the following reflects the correct order of events that take place during the multiplication of a virus?

Attachment, penetration, biosynthesis, maturation, release
Attachment, release, biosynthesis, maturation, penetration
Attachment, penetration, maturation, biosynthesis, release
Penetration, attachment, biosynthesis, maturation, release

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