Which of the following statements correctly describes the tobacco mosaic virus (TMV)?
Correct answer: A. RNA virus
- A. RNA virus
- B. DNA virus
- C. Bacteriophage
- D. dsDNA virus
Explanation
Option (a) states that the tobacco mosaic virus (TMV) is an RNA virus. This statement is correct. TMV is a positive-sense, single-stranded RNA virus that infects plants. It belongs to the family Virgaviridae and the genus Tobamovirus. Its genome consists of a single-stranded RNA molecule, and it replicates using RNA-dependent RNA polymerase.
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