General Biology · free preview

Chapter 21: Viruses

Viruses are noncellular parasitic entities that cannot be classified within any kingdom.

1. Chapter 21: Viruses

Chapter 21: Viruses

2. Key terms check

Which key term matches this definition?

lacking cells

3. Key terms check

Which key term matches this definition?

disease where the symptoms rise and fall within a short period of time

4. Key terms check

Which key term matches this definition?

disease where there are no symptoms and the individual is unaware of being infected unless lab tests are performed

5. Key terms check

Which key term matches this definition?

weakening of a virus during vaccine development

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