what are viruses?

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Across
  1. 2. a system that classifies viruses based on the type of their genome.
  2. 3. plays a huge role in controlling and reducing viral diseases.
  3. 5. a virus that can infect archaea.
  4. 7. viruses obtain this component after emerging from a cell.
  5. 9. a virus that uses RNA as it's genetic material.
Down
  1. 1. any virus that can infect a bacterial cell.
  2. 3. a submicroscopic collection of genetic codes.
  3. 4. a protein coat that surrounds the nucleic acid in viruses.
  4. 6. an example of obligate cellular parasites.
  5. 8. an example of a retrovirus.