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