From: me@yahoo.com
On 2025-07-17 08:56:37 +0000, Kerr-Mudd, John said:
> On Thu, 17 Jul 2025 15:44:28 +1000
> 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.
>>
>>
>
> ID has no science; it doesn't explain anything. It's classic God of the
> Gaps. But you've been told before. PS get a better news source.
And people interested in serious science don't look for it in Evolution News.
--
athel cb : Biochemical Evolution, Garland Science, 2016
--- SoupGate-Win32 v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
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