Multiple choice

Viruses have:

  1. RNA

  2. DNA

  3. either RNA or DNA

  4. neither DNA nor RNA

  5. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Viruses are classified as either RNA viruses or DNA viruses based on their genetic material. A virus contains either RNA or DNA, but never both simultaneously. This fundamental distinction is crucial for understanding viral replication mechanisms, classification, and the development of antiviral strategies. Option C correctly captures this binary characteristic of viral genomes.

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