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|    talk.origins    |    Evolution versus creationism (sometimes    |    142,579 messages    |
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|    Message 141,098 of 142,579    |
|    MarkE to Kalkidas    |
|    Re: "Thermodynamic Limitations on the Na    |
|    18 Jul 25 14:30:11    |
      From: me22over7@gmail.com              On 18/07/2025 5:25 am, Kalkidas wrote:       > On 7/16/2025 10:44 PM, MarkE wrote:       >> From this recent EN article: https://evolutionnews.org/2025/07/new-       >> article-from-james-tour-undermines-a-pillar-of-origin-of-life-theories/       >>       >> 'In comparison to a protein’s half-life, the rate of polypeptide chain       >> elongation under prebiotic conditions is very long. Yang et al. (2025)       >> identify numerous barriers to sustained polypeptide growth, including       >> the formation of non-peptide linkages and cyclic structures, stringent       >> environmental requirements, and unfavorable thermodynamics. Their       >> analysis establishes that the rate of growth must be far smaller than       >> one added amino acid per chain per day."       >>       >> "Even assuming one addition each day, synthesizing a protein of 200       >> amino acids would require over six months. However, the growing chain       >> would almost certainly degrade in a much shorter time span. The       >> challenge is even greater for RNA, which has a significantly shorter       >> half-life and encounters additional chemical and structural hurdles       >> during formation."       >>       >> Paper here: https://sciendo.com/article/10.2478/biocosmos-2025-0010       >>       >> No doubt this paper will be critiqued and disputed, but it is I think       >> an example of the ongoing scrutiny and developing fundamental       >> challenges to OoL. My prediction is these will continue to emerge,       >> weakening materialistic abiogenesis and strengthening ID's core claim.       >       > Note that the replies to your post offer no refutation of any of the       > points of the paper, Just name-calling and genetic fallacies.       >              Noted; not unusual. Pity - Athel could add some content to this discussion.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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