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#1
09-14-2007, 03:49 AM
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 Protein Crystal Molecules Question I have this question-- can anyone solve it, and how did you solve it? To the nearest power of 10, how many protein molecules with a molecular weight of 25,000 are found in a crystal that is 3 mm on each side? (Assume that a crystal is 50% water and that the density of a protein is the same as that of water) thanks!   |
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#2
09-14-2007, 02:41 PM
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 Re: Protein Crystal Molecules Question The key here is, "assume the density of a protein is the same as that of water". This gives you a conversion between volume (of the cube) and mass (of the protein). |
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