Which of the following is not a demonstration of the steps involved in the development of life that has been successfully performed in laboratory experiments?

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    production of DNA by assembly of amino acids and precursor proteins
     synthesis of nucleotide bases from simpler common chemicals via simulation of natural processes
     synthesis of amino acids from simpler common chemicals via simulation of natural processes
     joining of amino acids into protein-like blobs that can mimic some aspects of growth and reproduction
     All of the steps listed here have individually been achieved.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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production of DNA by assembly of amino acids and precursor proteins
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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