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Biology: Viruses and Diseases

Created by

@ColorfulCotangent

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Questions and Answers

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?

An envelope

A host cell (correct)

Genetic mutation

A capsid

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?

<p>Envelope</p> Signup and view all the answers

What type of genetic information does a virus contain?

<p>Either DNA or RNA</p> Signup and view all the answers

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.