How do all viruses differ from bacteria?(Micro biology 2023 test with complete solution)
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Course
Micro biology
Institution
Micro Biology
How do all viruses differ from bacteria?(Micro biology 2023 test with complete solution)
1) How do all viruses differ from bacteria?
A) Viruses are filterable.
B) Viruses are obligate intracellular parasites.
C) Viruses do not have any nucleic acid.
D) Viruses are not composed of cells.
E) ...
how do all viruses differ from bacteriamicro biology 2023 test with complete solution 1 how do all viruses differ from bacteria a viruses are filterable b viruses are obligate intracellular p
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How do all viruses differ from bacteria?(Micro biology
2023 test with complete solution)
1) How do all viruses differ from bacteria?
A) Viruses are filterable.
B) Viruses are obligate intracellular parasites.
C) Viruses do not have any nucleic acid.
D) Viruses are not composed of cells.
E) Viruses do not reproduce.
D
Which of the following statements provides the most significant support for the
idea that viruses are nonliving chemicals?
A) They are not composed of cells.
B) They are filterable.
C) They cannot reproduce themselves outside a host.
D) They cause diseases similar to those caused by chemicals.
E) They are chemically simple.
C
3) Which of the following statements about viral spikes is FALSE?
A) They are composed of carbohydrate-protein complexes.
B) They are used for attachment.
C) They may cause hemagglutination.
D) They bind to receptors on the host cell surface.
E) They are found only on nonenveloped viruses.
E
4) Which of the following is NOT used as a criterion to classify viruses?
A) biochemical tests
B) morphology
C) nucleic acid
D) size
E) number of capsomeres
A
Which of the following is NOT utilized to culture viruses?
A) laboratory animals
B) culture media
C) embryonated eggs
D) animal cell cultures
E) bacterial cultures
B
6) Bacteriophages and animal viruses do NOT differ significantly in which one of
the following steps?
A) attachment
B) penetration
C) uncoating
, D) biosynthesis
E) release
D
7) The definition of lysogeny is
A) phage DNA is incorporated into host cell DNA.
B) lysis of the host cell due to a phage.
C) the period during replication when virions are not present.
D) when the burst time takes an unusually long time.
E) attachment of a phage to a cell.
8) A viroid is a(n)
A
8) A viroid is a(n)
A) complete, infectious virus particle.
B) infectious piece of RNA without a capsid.
C) capsid without nucleic acid.
D) provirus.
E) infectious protein.
B
Figure 13.1
9) In Figure 13.1, which structure I s a complex virus?
A) a
B) b
C) c
D) d
E) All of the structures are complex viruses.
B
10) The structures illustrated in Figure 13.1 are composed of
A) DNA.
B) RNA.
C) DNA or RNA.
D) Capsomeres.
E) viroids.
D
ASMcue Outcome: 2.1
Learning Outcome: 13.2
11) A clear area against a confluent lawn of bacteria is called a
A) phage.
B) pock.
C) cell lysis.
D) plaque.
E) rash.
D
Section: 13.4
Blooms Taxonomy: Knowledge
Learning Outcome: 13.5
12) Continuous cell lines differ from primary cell lines in that
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