Smallpox is caused by the poxvirus, which is:
Correct answer: D. dsDNA
- A. ssRNA
- B. dsRNA
- C. ssDNA
- D. dsDNA
Explanation
Smallpox is caused by the Variola virus, which has a double-stranded DNA genome. This type of genome allows the virus to replicate in the cytoplasm and produce complex viral particles. Other genome types, such as single-stranded DNA, double-stranded RNA, and single-stranded RNA, are found in different viruses but not in poxviruses. The double-stranded DNA structure of the Variola virus gives it stability and the ability to carry a large amount of genetic information needed for its life cycle.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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