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Lytic cycle Worksheet
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1. Some viruses completely enter their host cell by endocytosis.
a. TRUE
b. FALSE
2. Lytic cycles without lysis include
a.
b.
c.
d.
binary fission and budding.
replication and division.
budding and endocytosis.
budding and exocytosis.
3. Fill in the blank(s):
The virus uses the host cell’s machinery to make large amounts of viral proteins. This is known as
____________________.
4. Within multicellular organisms, cells infected by viruses can be destroyed by the _________ system.
a.
b.
c.
d.
immune
nervous
endocrine
blood
5. Fill in the blank(s):
To infect a cell, a virus must first attach to or enter a cell and inject its genetic material into the cell.
This is known as ____________________.
6. Fill in the blank(s):
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In the lytic cycle without ____________________, viruses bud off viral particles using small sections of
membrane.
7. The lytic cycle does not lead to the immediate destruction of the host cell, in contrast to the lysogenic cycle.
a. TRUE
b. FALSE
8. Fill in the blank(s):
The lytic cycle is one of the two cycles of viral ____________________.
9. Fill in the blank(s):
To lyse the cell, the virus directs the production of an ____________________ that breaks down
the host's cell wall and allows fluid to enter.
10. About how many new viruses are assembled in a host cell?
a.
b.
c.
d.
10 to 20
100 to 200
about 1,000
1 or 2
Answer Keys
1. TRUE
2. budding and exocytosis.
3. biosynthesis
4. immune
5. penetration
6. lysis
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7. TRUE
8. reproduction
9. enzyme
10. 100 to 200
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Printed: March 15, 2022
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