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

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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
Expression of several different capsule types
Changing the receptor binding canyon that docks with the host receptor
Somatic recombination of heavy and light chains

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