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Viruses, Viroids, And Prions
Test Description: Review for BIO 2
Instructions: Answer all questions to get your test result.
1) Viruses are classified by all of the following EXCEPT
A
size and shape
B
type of nucleic acid
C
presence or absence of an envelope
D
type of reproduction
2) The outer protein covering found in all viruses is a
A
envelope
B
plasma membrane
C
coat
D
capsid
3) The reproductive cycle of viruses that includes the integration step is the
A
lysogenic cycle
B
rinse cycle
C
duplication cycle
D
lytic cycle
4) The biosynthesis step of the reproductive cycle is when
A
the viral particles are assembled
B
the viral DNA is inserted into the host DNA
C
the viral components are synthesized
D
the viral DNA enters the host
5) During the maturation step of viral reproduction the
A
viral particles are assembled
B
the new viruses leave the host
C
the viral DNA is inserted into the host DNA
D
the viral components are synthesized
6) The latent viral DNA contained in the host DNA is called a(an)
A
prophage
B
viroid
C
prion
D
invader
7) During integration
A
the viral DNA enters the host cell
B
the virus takes over the host cell machinery
C
the viral DNA is inserted into the host DNA
D
the virus attaches to a host cell repector
8) An RNA virus that has a DNA stage is called a
A
retrovirus
B
DNA virus
C
futurovirus
D
coronavirus
9) Naked strands of RNA that infect plants are called
A
prions
B
retroviruses
C
RNA viruses
D
viroids
10) Infectious particles that cause neurodegenerative diseases such as Kuru and mad cow disease are called
A
coronaviruses
B
retroviruses
C
prions
D
viroids
*select an answer for all questions
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