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Why is it beneficial for E. coli to have several different types of oxidase enzymes?
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There are two demos in my lab for K. mobilis on a MacConkey Agar plate. One of them shows as yellow and the other shows as very very pink. So which one is it? I know that Klebsiella pneumoniae is a ...
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2 weeks 0 Answers 28 views New Member 0

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If a virus has not entered a host, is it considered non-living?  
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Hello Everyone.. I am working on herbal extract to test thier effective on bacteria / + - / but the inhibitor zone doesn't show clear .. it's It is scattered, not regular ! I used Disk Dissolves to test the effect ...
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2 months 0 Answers 132 views New Member 0

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What's the final numbers for bacteria: When 20 isolated of bacteria will be inoculate in broth media, the cell will be divided each 2 min, calculate the numbers of bacteria after 20 min , 30 min , 1hrs, 10 hrs, ...
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4 months 0 Answers 199 views New Member 0