Ch._10_-_Study_Questions - enzymes 17 How is the...

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Biol 261 – Ch. 10 – Study Questions 1. What are the basic components of a virus? 2. What types and arrangements of nucleic acids are found in viruses? 3. What is a host? Bacteriophage? 4. What units are used to measure viruses? 5. What is a capsid, capsomere, envelope and naked virus? 6. What are capsids made of? Viral envelopes? 7. Describe a complex virus and give an example. 8. What does lysozyme, polymerases and neuraminidases do? 9. What is tissue culture and why is it important to viruses? 10. What is a titer and a plaque assay? 11. How do you figure out the number of viruses in a sample? 12. What are the basic phases of viral replication? 13. What determines if a virus can infect a cell? 14. Describe a viral growth curve and what happens in each phase. What is the burst size? 15. How is T4 and Lambda similar and different? 16. What do restriction enzymes do? How do viruses avoid getting destroyed by restriction
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Unformatted text preview: enzymes? 17. How is the penetration step in viral replication different in phages and animal viruses? What else would be different in their replication? 18. How is a plus strand RNA virus different from a minus strand RNA virus? 19. What is unique about retroviruses? Name a retrovirus? Describe how retroviruses reproduce. 20. How is a lytic virus different from a latent virus? What other terms are used to describe latent viruses? 21. How is provirus different from a prophage? 22. What keeps temperate phages latent? 23. Name several animal viruses. 24. When an animal cell gets infected with a virus what are the possible consequences? How can a virus cause cancer? 25. What does integrase do? 26. What is viroid? What is it’s host? 27. What are prions and how do they cause disease? What diseases are associated with prions?...
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