CH 3

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Across
  1. 3. groups of four single cells
  2. 5. movement away from a chemical stimulus
  3. 9. responsible for persistent colonization of teeth, plastic, etc; "strength in numbers"
  4. 10. grape like clusters of cells
  5. 11. movement toward a favorable chemical stimulus
  6. 15. possess cell membrane (plasma membrane, cytoplasm, ribosomes, singular, circular chromosome
Down
  1. 1. chains of single cells
  2. 2. have three main shapes: coccus(round), bacillus(rods), and spirals
  3. 4. the connection and exchange of genetic material between bacterial cells
  4. 6. have a thin layer of peptidoglycan
  5. 7. have a thick layer of peptidoglycan
  6. 8. pairs of single cells
  7. 12. formed by many pathogenic bacteria giving them greater disease- causing abilities
  8. 13. protect against harsh environmental conditions
  9. 14. a polysaccharide coating outside the bacteria structure; slime layer(loose), capsule (tightly bound)