Pure culture

... go for scientific evidence. I was speaking more about understanding the culture, which literature (even pure fiction) is very good for. So now that we've reached an understanding, you're right that ...

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... is weekly catalase positive. I would redo the test (you sure that your culture is pure?) because your bacteria is indole positive. Indole test usually performed on the gram ...

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... if you are in the US. Pick your species, and they are likely to have a pure culture to sell and the growth conditions on their website.

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... explanation is silly - but does indicate you probably did not have a pure culture. this is a critical element of any micro study and i suggest you concentrate on it.

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doesn't look a pure culture to me...looks like a spreader. can't help you with the texture, maybe irregular in shape, umbonate? ...

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