lab practical 3

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Author:
Anonymous
ID:
53635
Filename:
lab practical 3
Updated:
2010-12-05 23:43:09
Tags:
durham tube sugar fermentation
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Description:
micro lab practical 3 questions
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  1. What is the purpose of the Durham Tube Sugar Fermentation test?
    this determines whether the bacteria ferment sugar
  2. What indicates a positive Durham Tube Sugar Fermentation test?
    • yellow- acid production
    • durham tube- tests for gas production
  3. what is the reagent used in the Durham Tube Sugar Fermentation test?
    phenol red (it turns yellow if pH values acidic)
  4. What is the purpose of the Catalase production test?
    the determines whether the enzyme catalase is produced
  5. what is the reagent used in the catalase production test?
    hydrogen peroxide

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