| 1. | Animal viruses with capsids displaying helical symmetry include |
| a. | measles and mumps |
| b. | influenza |
| c. | rabies |
| d. | all of these |
| View Answer Report Discuss 50-50! |
|
Answer: (d).all of these
|
| 2. | Icosahedral viruses are generally |
| a. | polio viruses |
| b. | adeno viruses |
| c. | both (a) and (b) |
| d. | none of these |
| View Answer Report Discuss 50-50! |
|
Answer: (c).both (a) and (b)
|
| 3. | 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 |
| View Answer Report Discuss 50-50! |
|
Answer: (b).have to make a positive strand copy that can be translated
|
| 4. | 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 |
| View Answer Report Discuss 50-50! |
|
Answer: (c).Attachment, penetration, biosynthesis, maturation, release
|
| 5. | 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 |
| View Answer Report Discuss 50-50! |
|
Answer: (b).Anti-polio antibody
|