Name:___________________
VIRUSES
https://prezi.com/bdrtbhglgy4c/ap-bio-information-4-viruses/
1.
Viruses consist of what two items?
a.
b.
2. Why are viruses not considered alive?
3. Name 3 diseases caused by viruses.
1.
2.
3.
4. What are prokaryote viruses also known as? Why are they called that?
5. Describe a “lytic” cyle. This type of cycle occurs in which type of phage?
6. Describe a “lysogenic” cycle. This type of cycle occurs in which type of phage?
7. What is phage therapy?
Name:___________________
8. What would be the advantage of being an RNA virus? What would be a disadvantage? (this
is a tough one and requires some thought..not just copying down an answer)
Advantage:
Disadvantage:
9. Which type of virus do you think you are more likely to encounter in your daily life, an
RNA virus or a DNA virus? Why? (List a couple of diseases caused by each to defend your
answer)
10. Which virus is responsible for more deaths in human history than any other known virus?
11. What are some symptoms of an infection of this virus?
12. Why is permanent immunity from the above virus not possible?
13. Watch the video “Cover Your Mouth”. What are 3 things you learned from the video.
How did watching the video make you feel?
1.
2.
3.
I felt……….because……
14. Why does HIV violate the Central Dogma (states that DNA -> RNA -> Proteins)
15. Which cell of the immune system is the target of HIV? Why is this a problem?
16. What are viroids? What are prions?