Chapter 18 Vocabulary

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Across
  1. 4. non-living strand of genetic material
  2. 7. virus reproduction process
  3. 8. asexual form of prokaryotic reproduction
Down
  1. 1. outer protein layer that surrounds the genetic material of a virus
  2. 2. area in a prokaryotic cell that contains a large, circular chromosome
  3. 3. a single celled organism
  4. 5. proteins that can cause infection or disease
  5. 6. hairlike structure that helps bacteria attach to surfaces