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Biology 2 Quiz 19-3
Test Description: Review 19-3
Instructions: Answer all questions to get your test result.
1) Another name for the protein coat surrounding a virus is a capsid
A
True
B
False
2) One treatment for virally caused disease is the prescription of antibiotics.
A
False
B
True
3) Some viruses have legs which help them attach to a host cell during a lytic infection.
A
True
B
False
4) An antibiotic is a preparation of weakened or killed viral proteins.
A
True
B
False
5) A lysogenic infection occurs when a virus enters a cell, makes copies, then causes the host cell to burst.
A
True
B
False
6) Viruses cause infection by
A
forming endospores in the body
B
entering the body cells and replicating
C
reproducing independently outside of the body
D
producing toxins that harm the body
7) During a lytic infection, the host cell is
A
copied many times over
B
all of the above
C
destroyed
D
prepared for the lysogenic cycle
8) The outer protein coat of a virus is called a
A
core
B
bacteriophage
C
sheath
D
capsid
9) Unlike lytic viruses, lysogenic viruses do not
A
enter the lytic cycle.
B
infect host cells
C
inject their genetic material into the host cell.
D
lyse the host cell right away.
10) Bacteriophages infect
A
any avaiable host cell
B
other bacteria
C
cells undergoing the lytic cycle
D
bacteria only
11) All viruses are made of proteins and
A
bacteriophages
B
prophages
C
nucleic acids
D
carbohydrates
12) A viral capsid functions to
A
transcribe viral genes
B
force a host cell to make copies of the virus
C
destroy a host cell
D
bind the virus to the surface of the host cell
13) The instructions for making new copies of a virus are
A
coded in surface proteins attached to the protein coat
B
part of the virus's capsid
C
coded in either DNA or RNA
D
found only in bacteriophages
14) What is the structure of a virus?
A
DNA or RNA surrounded by a protein coat
B
a capsid surrounded by a protein coat
C
a tiny cell surrounded by a cell wall
D
a tail sheath surrounded by a protein coat
15) A lytic infection concludes with
A
bursting of the host cell
B
production of a prophage
C
embedding of viral DNA into the host cells DNA
D
production of messenger RNA
*select an answer for all questions
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