Is a three-dimensional, 20-sided structure with 12 vertices and they can resemble a soccer ball. 

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Viruses differ in the shape of their capsids. Some capsid shapes include:
- Helical
- Icosahedral
- Complex

Capsid Shapes

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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Has a helical shape in nature and forms the shape of tobacco mosaic virus.

Helical

Icosahedral

This type of capsid tends to have a brick shape,  with intricate surface characteristics not seen in the other categories of capsid.

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