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How do all viruses differ from bacteria?Group of answer choicesViruses do not have any nucleic acid.Viruses are obligate intracellular parasites.Viruses are filterable.Viruses do not reproduce.Viruses are not composed of cells.Next

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How do all viruses differ from bacteria?Group of answer choicesViruses do not have any nucleic acid.Viruses are obligate intracellular parasites.Viruses are filterable.Viruses do not reproduce.Viruses are not composed of cells.Next

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Solution

Viruses differ from bacteria in several ways:

  1. Viruses are obligate intracellular parasites: This means that viruses can only reproduce by infecting a host cell. They rely on the host cell's machinery to replicate. Bacteria, on the other hand, are independent organisms that can reproduce on their own.

  2. Viruses are filterable: Viruses are much smaller than bacteria, so they can pass through filters that bacteria cannot. This was actually one of the key discoveries that led to the identification of viruses.

  3. Viruses do not reproduce: Unlike bacteria, viruses do not reproduce by binary fission. Instead, they infect a host cell and use the host's cellular machinery to make more virus particles.

  4. Viruses are not composed of cells: All living organisms, including bacteria, are composed of cells. Viruses, however, are not. They are composed of a protein coat surrounding a nucleic acid core.

  5. Viruses do not have any nucleic acid: This is not correct. Viruses do contain nucleic acids (either DNA or RNA), which carry the genetic information necessary for them to replicate. Bacteria also contain nucleic acids, but they

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Which of the following is true about viruses?Group of answer choicesThey are not composed of cells.They cannot metabolize nutrients.They have DNA or RNA.They cannot reproduce themselves.All of the above.

Viruses are not considered living organisms because theyGroup of answer choicesare ubiquitous in nature.are structurally very simple.cannot reproduce by themselves.typically associated with disease.can only be visualized using an electron microscope.

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