5 Questions
What is the primary component of a virus?
Genetic information (DNA or RNA)
What is necessary for a virus to reproduce?
A host cell
What is an example of a disease caused by a virus?
The flu
What is the outer layer of a virus called?
Envelope
What type of genetic information does a virus contain?
Either DNA or RNA
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
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.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
