Chapter 3

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Across
  1. 2. chains of bacterial cells
  2. 6. extrachromosomal DNA
  3. 7. sites of protein synthesis
  4. 8. grape-like clusters of cells
  5. 9. structures that protect against harsh conditions
  6. 10. main component of bacterial cell walls
Down
  1. 1. groups of four bacterial cells
  2. 3. movement toward a chemical stimulus
  3. 4. pairs of single bacterial cells
  4. 5. outer protective layer outside the plasma membrane
  5. 11. movement in response to chemical signals
  6. 12. movement away from a chemical stimulus