Quiz Virus

Which of the following is NOT a characteristic of viruses?

• Ability to reproduce independently

• Presence of genetic material

• Ability to mutate

• Encapsulated by a protein coat

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DOK Level 1: Recall

Viruses are considered non-living because they:

• Do not have cells

• Cannot reproduce without a host

• Are microscopic

• Can be crystallized

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DOK Level 1: Recall

What is the role of the viral envelope?

• To provide energy to the virus

• To protect the genetic material

• To help the virus attach to host cells

• To replicate the viral genetic material

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DOK Level 2: Skill/Concept

How do viruses differ from bacteria?

• Viruses are generally larger

• Viruses do not have cellular structure

• Viruses can perform photosynthesis

• Viruses have a more complex reproduction process

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DOK Level 2: Skill/Concept

What is the function of reverse transcriptase in retroviruses?

• To degrade the host's DNA

• To convert viral RNA into DNA

• To help the virus attach to cells

• To package the viral particles

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DOK Level 2: Skill/Concept

Explain how a virus can be specific to a particular type of cell.

• Viruses can mutate to adapt to any cell

• Viruses have specific proteins that must match receptor sites on the host cell

• All viruses can infect all types of cells

• Viruses are not specific; they infect cells randomly

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DOK Level 3: Strategic Thinking

Describe the process of viral replication within a host cell.

• The virus consumes the cell's nutrients to replicate

• The virus injects its DNA directly into the host's nucleus

• The virus uses the host's cellular machinery to replicate its genome and produce new viral particles

• The virus undergoes binary fission within the host cell

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DOK Level 3: Strategic Thinking

How does antiviral medication generally function to combat viral infections?

• By killing the virus directly

• By preventing the virus from entering cells

• By boosting the immune system

• By inhibiting viral replication

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DOK Level 3: Strategic Thinking

Develop a hypothesis on why some viruses, like the common cold, are so difficult to eradicate.

• They mutate rapidly

• They are protected by a strong capsid

• They hide from the immune system

• They replicate faster than they can be destroyed

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DOK Level 3: Strategic Thinking

Investigate the impact of viral structure on its ability to infect host cells.

• More complex structures result in higher infectivity

• Simpler structures are less detectable by the immune system

• Specific structural features, like envelope proteins, determine the host cells that can be infected

• There is no correlation between structure and infectivity

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DOK Level 4: Extended Thinking