Extraterrestrial handedness? Molecules often have left-handed andright-handed versions
Chapter 0, Problem 19.41(choose chapter or problem)
Extraterrestrial handedness? Molecules often have left-handed andright-handed versions. Some classes of molecules found in life on earth arealmost entirely left-handed. Did this left-handedness precede the origin of life? Tofind out, scientists analyzed meteorites from space. To correct for bias in thedelicate analysis, they also analyzed standard compounds known to have equalproportions of left-handed and right-handed forms. Here are the results for thepercents of left-handed forms of one molecule in two analyses:18
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