Which of the following is not true of viruses? O A. They have a prokaryotic cell structure B. They can cause disease in plants O C. They can have a preference for infecting specific cells in the human body D. They have DNA or RNA as their genetic material

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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**Question: Which of the following is not true of viruses?**

- **A.** They have a prokaryotic cell structure
- **B.** They can cause disease in plants
- **C.** They can have a preference for infecting specific cells in the human body
- **D.** They have DNA or RNA as their genetic material

**Explanation:**

Option A is incorrect for viruses. Unlike prokaryotes, viruses lack a cellular structure and do not have the components necessary to be classified as prokaryotic cells. Viruses are composed of genetic material encased in a protein coat and sometimes a lipid envelope but are not considered true cells. They require host cells to replicate. 

Options B, C, and D are true statements. Viruses can indeed cause diseases in plants, have specificity for infecting particular cell types, and possess DNA or RNA as their genetic material.
Transcribed Image Text:**Question: Which of the following is not true of viruses?** - **A.** They have a prokaryotic cell structure - **B.** They can cause disease in plants - **C.** They can have a preference for infecting specific cells in the human body - **D.** They have DNA or RNA as their genetic material **Explanation:** Option A is incorrect for viruses. Unlike prokaryotes, viruses lack a cellular structure and do not have the components necessary to be classified as prokaryotic cells. Viruses are composed of genetic material encased in a protein coat and sometimes a lipid envelope but are not considered true cells. They require host cells to replicate. Options B, C, and D are true statements. Viruses can indeed cause diseases in plants, have specificity for infecting particular cell types, and possess DNA or RNA as their genetic material.
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