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Questions and Answers
What is the primary component of a virus?
What is the primary component of a virus?
- Host cell
- Envelope
- Genetic information (DNA or RNA) (correct)
- Capsid
What is necessary for a virus to reproduce?
What is necessary for a virus to reproduce?
- An envelope
- A host cell (correct)
- Genetic mutation
- A capsid
What is an example of a disease caused by a virus?
What is an example of a disease caused by a virus?
- Heart disease
- The flu (correct)
- Asthma
- Pneumonia
What is the outer layer of a virus called?
What is the outer layer of a virus called?
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What type of genetic information does a virus contain?
What type of genetic information does a virus contain?
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Study Notes
Viruses
- Microscopic organisms that infect hosts, including humans, plants, and animals
- Composed of a small piece of genetic information (DNA or RNA) inside a protective shell (capsid)
- Some viruses have an additional layer called an envelope
- Unable to reproduce without a host
- Can cause various diseases, including:
- The flu
- The common cold
- COVID-19
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Description
Learn about viruses, their structure, and how they cause diseases such as the flu, common cold, and COVID-19. Understand how they infect hosts and reproduce.
