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I am doing a PCR for a random ssDNA library. Every-time I do the PCR I get a white precipitate in the bottom of the PCR tube even in the control tube. My PCR mix contains 500 uL master mix ...
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Anonymous 3 years 0 Answers 22 views 0

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Hello, thank you for your time. How long do harmless microbes survive in the air? How far can they travel in the air? I ask in terms of one lone microbe, as well as a collective of microbes. If I need ...
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Anonymous 4 years 1 Answer 16 views 0

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A lot of people touching something dirty in the bathroom then touch the faucet to turn it on. They wash there hands and then A lot of people then use their bare hands to turn off the faucet and recontaminate ...
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Anonymous 4 years 0 Answers 43 views 0

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I am concerned about my Biology 2 lab experiment we are supposed to grow something and be able to measure it for 10 days. My experiment is seeing how pH affects mold growth on Land O Lakes Yellow American cheese. ...
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Anonymous 4 years 0 Answers 31 views 0