Serial

Please help? :? I've been trying to understand this for hours but for some reason I just do not understand serial dilutions :( I have a stock solution of 0.25 miligrams/mL and I have to get it to a concentration of 100 nanograms/mL and then also to 10 nanograms/mL. I've done ...

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... reproduce with another mate? why do some organisms mate, and then part company? why do others stay together for life? Genetic diversity? Security? serial monogamy should that be the way? I think it was Joan Rivers the comedian who I heard say once "Men think monogamy is a piece of timber"

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Just so all the newbies on the forum know, gamila is a serial spammer and will not listen to anything that defies his argument. So don't worry about pointing out that he's wrong, we already know :wink: fact is students you are being fed incorrect information ...

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Just so all the newbies on the forum know, gamila is a serial spammer and will not listen to anything that defies his argument. So don't worry about pointing out that he's wrong, we already know :wink:

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Oh hang on... i must have missed something. Since the human race is so smart, why do we have children killing people in school, why do we have serial killers. When did i say the human race was smart? Since civilization has begun has intelligence ever helped people pass on their genes? No, in ...

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