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In Lab 1 (Part A), certain water samples were diluted using “ONPG broth” before ...

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In Lab 1 (Part A), certain water samples were diluted using “ONPG broth” before measuring the absorbance. If “ONPG broth” was specifically designed to match the osmotic pressure of the bacteria, we could refer to the broth as being 

  in relation to the bacteria.

Assume faecal coliforms are very sensitive to osmotic stress and cannot adjust their intracellular salt levels. If the bacteria were placed in distilled water (i.e. pure water with zero solutes) (called a 
  solution), we would expect the bacterial cells to 
  due to water 
  the cell.

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