Exercise: Viruses From Animal And Plants

Questions for: Viruses From Animal And Plants

What can be coated to the plastic dish if an ELISA is performed to directly detect polio virus?
A:
Patient serum
B:
Anti-polio antibody
C:
Polio capsid protein
D:
Colored substrate
Answer: B
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Which of the following reflects the correct order of events that take place during the multiplication of a virus?
A:
Attachment, penetration, maturation, biosynthesis, release
B:
Penetration, attachment, biosynthesis, maturation, release
C:
Attachment, penetration, biosynthesis, maturation, release
D:
Attachment, release, biosynthesis, maturation, penetration
Answer: C
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Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they
A:
use it to terminate transcripts when they copy host cell mRNA
B:
have to make a positive strand copy that can be translated
C:
use it to modify host enzymes that are recruited for viral replication
D:
none of the above
Answer: B
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Icosahedral viruses are generally
A:
polio viruses
B:
adeno viruses
C:
both (a) and (b)
D:
none of these
Answer: C
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Animal viruses with capsids displaying helical symmetry include
A:
measles and mumps
B:
influenza
C:
rabies
D:
all of these
Answer: D
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