Biology
Textbooks
Boundless Biology
Viruses
Biology Textbooks Boundless Biology Viruses
Biology Textbooks Boundless Biology
Biology Textbooks
Biology

Section 1

Viral Evolution, Morphology, and Classification

Book Version 32
By Boundless
Boundless Biology
Biology
by Boundless
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4 concepts
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Discovery and Detection of Viruses

Viruses are infectious particles about 100 times smaller than bacteria and can only be observed by electron microscopy.

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Evolution of Viruses

The evolution of viruses is speculative as they do not fossilize; biochemical and genetic information is used to create virus histories.

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Viral Morphology

Viruses of all shapes and sizes consist of a nucleic acid core, an outer protein coating or capsid, and sometimes an outer envelope.

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Virus Classification

Viruses are classified by factors such as their core content, capsid structure, presence of outer envelope, and how mRNA is produced.

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