Biology Illinois Edition (Glencoe Science)
Biology Illinois Edition (Glencoe Science)
7th Edition
ISBN: 9780078759864
Author: Alton Biggs
Publisher: MCG
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Chapter 37, Problem 1A
Summary Introduction

To fill:

The name of the agent that causes infectious disease.

Introduction:

A virus is a microscopic organism that replicates only inside the living cells of an organism. It infects all type of life forms from plants, animals, microorganisms including bacteria and archaea.

Expert Solution & Answer
Check Mark

Answer to Problem 1A

A virus is an agent that causes infectious disease.

Explanation of Solution

A virus is surrounded by a protein coat that is a collection of genetic code either DNA or RNA. It cannot replicate alone. Interestingly, viruses can only survive inside a living cell. Viruses are microscopic organisms that cannot be seen with naked eyes. Viruses have been found everywhere on earth.

Conclusion

A virus is a microorganism that cannot be seen with our naked eyes. It can only be seen with microscope. It cannot replicate alone. Viruses have been found everywhere on earth.

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