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Spark of life: Metabolism appears in lab without cells


jerryR34

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again with the false dichotomies...(even though you said it wasn't).  Did you even read the article I posted?  Am I to value your scientific opinion over those in the article?  We did that centuries ago, it was called the dark ages when the powers said that things can't happen and science proved them wrong.  I don't see the logic in you argument that there can be only one creator...you are building your own logic there. 

 

from http://www.talkorigins.org/indexcc/

 

Claim CB015:

DNA needs certain proteins in order to replicate. Proteins need DNA to form. Neither could have formed naturally without the other already in existence.

Source:

Morris, Henry M. 1985. Scientific Creationism. Green Forest, AR: Master Books, pp. 47-48.
Watchtower Bible and Tract Society. 1985. Life--How Did It Get Here? Brooklyn, NY, pg. 45.

Response:

  1. DNA could have evolved gradually from a simpler replicator; RNA is a likely candidate, since it can catalyze its own duplication (Jeffares et al. 1998; Leipe et al. 1999; Poole et al. 1998). The RNA itself could have had simpler precursors, such as peptide nucleic acids (Böhler et al. 1995). A deoxyribozyme can both catalyze its own replication and function to cleave RNA -- all without any protein enzymes (Levy and Ellington 2003).

References:

  1. Böhler, C., P. E. Nielsen, and L. E. Orgel. 1995. Template switching between PNA and RNA oligonucleotides. Nature 376: 578-581. See also: Piccirilli, J. A., 1995. RNA seeks its maker. Nature 376: 548-549.
  2. Jeffares, D. C., A. M. Poole and D. Penny. 1998. Relics from the RNA world. Journal of Molecular Evolution 46: 18-36.
  3. Leipe, D. D., L. Aravind, and E. V. Koonin. 1999. Did DNA replication evolve twice independently? Nucleic Acids Research 27: 3389-3401.
  4. Levy, Matthew and Andrew D. Ellington. 2003. Exponential growth by cross-catalytic cleavage of deoxyribozymogens. Proceedings of the National Academy of Science USA 100(11): 6416-6421.
  5. Poole, A. M., D. C. Jeffares, and D. Penny. 1998. The path from the RNA world. Journal of Molecular Evolution 46: 1-17.
Edited by jerryR34
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Thread closed. This site is a ministry to draw people to God, not push them away and provide the means in which to diminish our beliefs. The link you provided states "This site attempts, as much as possible, to make it easy to find rebuttals and references from the scientific community to any and all of the various creationist claims."

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