BIOL 459 Final Exam (Latest 2026/ 2027 Update)
Actual Questions & Answers | 100% Verified |
Grade A | Complete Solutions
1. What is a bacteriophage? - ANSWER A virus that infects
bacteria
2. What is the approximate size of a bacteriophage? -
ANSWER 20 to 1000 nm
3. Order these from largest to smallest: poliovirus,
adenovirus, viroid/vaccinia virus, rabies virus, rhinovirus,
ebola virus - ANSWER Largest: ebola virus
viroid/vaccinia virus
rabies virus
adenovirus
rhinovirus
poliovirus
4. What does the rhinovirus cause? - ANSWER common cold
5. What is a virion? - ANSWER complete, fully developed
viral particle
,6. What is a capsid? - ANSWER protein coat surrounding a
virus made of capsomeres
7. What is an envelope? - ANSWER lipid, protein, and
carbohydrate coating on some viruses
8. What are spike proteins? - ANSWER protrudes from viral
membrane to latch on to another human cell
9. What are the names of the spike proteins in Influenza A? -
ANSWER hemagglutinin and neuraminidase
10. What are polyhedral viruses? - ANSWER many sided
viruses
11. What are enveloped viruses? - ANSWER Viruses that
steal a bit of their host cell's membrane as a protective
envelope
12. What is a helical virus? - ANSWER hollow,
cylindrical capsid
, 13. What part of the complex virus binds to cells? -
ANSWER tail fibers
14. Where must viruses be grown? - ANSWER living
cells
15. Where are bacteriophages grown? - ANSWER
bacteria
16. What are the clearings on a lawn of bacteria called if
they are formed by bacteriophages? - ANSWER plaques
17. What is the quality of plaques that correspond to a
specific virus? - ANSWER plaque forming units
18. Where are viruses grown in a laboratory? - ANSWER
in living animals or in embryonated eggs
19. How is viral growth signaled in embryonated eggs? -
ANSWER changes or death in the embryo
Actual Questions & Answers | 100% Verified |
Grade A | Complete Solutions
1. What is a bacteriophage? - ANSWER A virus that infects
bacteria
2. What is the approximate size of a bacteriophage? -
ANSWER 20 to 1000 nm
3. Order these from largest to smallest: poliovirus,
adenovirus, viroid/vaccinia virus, rabies virus, rhinovirus,
ebola virus - ANSWER Largest: ebola virus
viroid/vaccinia virus
rabies virus
adenovirus
rhinovirus
poliovirus
4. What does the rhinovirus cause? - ANSWER common cold
5. What is a virion? - ANSWER complete, fully developed
viral particle
,6. What is a capsid? - ANSWER protein coat surrounding a
virus made of capsomeres
7. What is an envelope? - ANSWER lipid, protein, and
carbohydrate coating on some viruses
8. What are spike proteins? - ANSWER protrudes from viral
membrane to latch on to another human cell
9. What are the names of the spike proteins in Influenza A? -
ANSWER hemagglutinin and neuraminidase
10. What are polyhedral viruses? - ANSWER many sided
viruses
11. What are enveloped viruses? - ANSWER Viruses that
steal a bit of their host cell's membrane as a protective
envelope
12. What is a helical virus? - ANSWER hollow,
cylindrical capsid
, 13. What part of the complex virus binds to cells? -
ANSWER tail fibers
14. Where must viruses be grown? - ANSWER living
cells
15. Where are bacteriophages grown? - ANSWER
bacteria
16. What are the clearings on a lawn of bacteria called if
they are formed by bacteriophages? - ANSWER plaques
17. What is the quality of plaques that correspond to a
specific virus? - ANSWER plaque forming units
18. Where are viruses grown in a laboratory? - ANSWER
in living animals or in embryonated eggs
19. How is viral growth signaled in embryonated eggs? -
ANSWER changes or death in the embryo
