Water Potability

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Across
  1. 5. A member of coliform group
  2. 7. Sugar in Mac-Conkey
  3. 8. Filter with complex biofilm
  4. 9. Cannot tolerate oxygen
  5. 10. Differentiates lactose fermenters
  6. 11. Indicates presence of total coliforms
  7. 13. Acid and gas formation in tube fermentation indicates that test is ______
Down
  1. 1. Cells divide in one plane to form chains
  2. 2. Group of non-endospore forming rods
  3. 3. Inhibits Gram positive bacteria in media
  4. 4. Typical colonies in on EMB
  5. 6. Alum is used in this step
  6. 12. A protozoan, in feces contaminated water, which may cause diarrhea in humans is ____