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Microbiology chapter 8 test bank 2024/2025 already graded A+
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Microbiology chapter 8 test bank 2024/2025 already graded A+
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Microbiology chapter 8 test bankViral replication is
A) independent of the host cell's DNA but dependent on the host cell's enzymes and
metabolism.
B) independent of both the host cell's DNA and the host cell's enzymes and metabolism.
C) dependent on the host cell's DNA and RNA.
D) dependent on the host cell's DNA, RNA, enzymes, and metabolism. - ANSA) independent of
the host cell's DNA but dependent on the host cell's enzymes and metabolism.
Viral replication occurs
A) intracellularly.
B) extracellularly.
C) both intracellularly and extracellularly.
D) either intracellularly or extracellularly, depending on the virus involved. - ANSA)
intracellularly.
Viral size is generally measured in
A) micrometers.
B) picometers.
C) nanometers.
D) centimeters. - ANSC) nanometers.
Enveloped viral membranes are generally ________ with associated virus-specific ________.
A) lipid bilayers / phospholipids
B) protein bilayers / lipids
C) lipid bilayers / glycoproteins
D) glycolipid bilayers / phospholipids - ANSC) lipid bilayers / glycoproteins
Which statement is TRUE?
A) All viruses contain their own nucleic acid polymerases.
B) Many viruses contain their own nucleic acid polymerases.
C) Viruses do not contain their own nucleic acid polymerases.
D) The origins of the nucleic acid polymerases used by viruses are eukaryotic. - ANSB) Many
viruses contain their own nucleic acid polymerases.
Reverse transcriptase is a(n)
A) RNA-dependent DNA polymerase.
B) DNA-dependent DNA polymerase.
C) RNA-dependent RNA polymerase.
D) DNA-dependent RNA polymerase. - ANSA) RNA-dependent DNA polymerase.
, Viruses infecting ________ are typically the easiest to grow in the laboratory.
A) plants
B) animals
C) fungi
D) prokaryotes - ANSD) prokaryotes
ALL viral particles
A) are metabolically inert.
B) are smaller than bacterial cells.
C) contain an envelope to prevent its degradation outside of a host.
D) exhibit cell lysis under a particular condition. - ANSA) are metabolically inert.
Cellular receptors may be composed of
A) proteins.
B) carbohydrates.
C) lipids
D) combinations of proteins, carbohydrates, and/or lipids. - ANSD) combinations of proteins,
carbohydrates, and/or lipids.
Restriction is
A) the viral process whereby a host's DNA ceases normal functioning.
B) the viral process whereby the virus prevents other viruses from entering the cell.
C) a general host mechanism to prevent the invasion of foreign nucleic acid.
D) a general host mechanism to prevent virus particles from further infective action. - ANSC) a
general host mechanism to prevent the invasion of foreign nucleic acid.
The discovery of retroviruses changed our understanding of
A) gene structure and organization.
B) the flow of genetic information.
C) protein synthesis.
D) infectious particles. - ANSB) the flow of genetic information.
Based on your knowledge of cellular and viral processes, which of the following would be (an)
appropriate target(s) for antiviral drugs?
A) integrases
B) aminoacyl-tRNA synthetases
C) ribosomes
D) aminoacyl-tRNA synthetases and ribosomes - ANSA) integrases
Bacteriophages' genomes are typically composed of
A) single-stranded RNA.
B) single-stranded DNA.
C) double-stranded RNA.
D) double-stranded DNA. - ANSD) double-stranded DNA.
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