(6) Virus

Question 1

Major antigenic change that occurs on average every 10 years and results from the re-assortment of genomes from different influenza virus strains within a host cell

Answer 1

Antigenic shift

Question 2

Modified cell membrane composed of lipids, proteins, and glycoproteins that cover the capsid

Answer 2

Viral envelope

Question 3

Viral protein that attaches to a host via host receptor

Answer 3

Viral attachment protein (VAP)

Question 4

Protein coat of a virus

Answer 4

Capsid

Question 5

Virus particle including nucleic acid genome packaged into a capsid outside of a host cell

Answer 5

Virion

Question 6

Phenomenon that occurs every 2 -3 years when a single strain of influenza mutates within a local population

Answer 6

Antigenic drift

Question 7

The removal of a viral envelope, capsid or both to deposit the viral genome into a host cell

Answer 7

Viral uncoating

Question 8

Organism dependent on the biochemical machinery of the host cell for replication

Answer 8

Obligate Intracellular parasites