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What protects the lining of the stomach from acidic gastric juices?
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American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?
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An atom with 11 protons, 11 neutrons, and 10 electrons has (a) ___ charge....
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