What are Viruses?

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Across
  1. 2. A virus that uses RNA as its genetic material. Examples of these types of viruses include AIDS and some forms of cancer.
  2. 4. A type of virus that infects bacteria and destroys the host cell.
  3. 5. This form of symmetry is characterized by an icosahedral head and a helical tail.
  4. 6. A virus can also have this surrounding the capsid, which gives the virus a polymorphic shape.
Down
  1. 1. This type of capsid is made from 20 triangular facets.
  2. 3. Consists of protein molecules that form a cylindrical coat around a single-stranded RNA genome.