Biology for ( Grade 10 )

(ii)Stanley Miller and H.C. Urey Experiment [Experiment for

verification of prebiotic soup] :

• This experiment verified the Oparin Haldane
  theory by creating [stimulating] in their laboratory the probable
  conditions on the primitive earth.


• They built an apparatus of glass tubes and flasks and
  created as atmosphere containing H 2 , CH 4 , NH 3 , H 2 O in one
  chamber - energy was also supplied by electric sparks.


• The resultant mixtures were allowed to condense.
  Experiment was run for one week. Chemical composition of the
  liquid revealed glycine, alanine and aspartic acid.