Theoretical origin of life; James Tour again III (Introduction)

by David Turell , Sunday, February 10, 2019, 00:48 (2113 days ago) @ David Turell

Another set of comments about the organic chemistry involved in th origin of life:

https://uncommondescent.com/intelligent-design/researchers-life-didnt-just-hang-on-but-...

An Open Letter to My Colleagues – James Tour – 2017

"Excerpt: We synthetic chemists should state the obvious. The appearance of life on earth is a mystery. We are nowhere near solving this problem. The proposals offered thus far to explain life’s origin make no scientific sense.

"Beyond our planet, all the others that have been probed are lifeless, a result in accord with our chemical expectations. The laws of physics and chemistry’s Periodic Table are universal, suggesting that life based upon amino acids, nucleotides, saccharides and lipids is an anomaly. Life should not exist anywhere in our universe. Life should not even exist on the surface of the earth.

“'We have no idea how the molecules that compose living systems could have been devised such that they would work in concert to fulfill biology’s functions. We have no idea how the basic set of molecules, carbohydrates, nucleic acids, lipids, and proteins, were made and how they could have coupled into the proper sequences, and then transformed into the ordered assemblies until there was the construction of a complex biological system, and eventually to that first cell.

"Nobody has any idea how this was done when using our commonly understood mechanisms of chemical science. Those that say they understand are generally wholly uninformed regarding chemical synthesis. Those that say “Oh, this is well worked out,” they know nothing, nothing about chemical synthesis – Nothing!

"Further cluelessness – From a synthetic chemical perspective, neither I nor any of my colleagues can fathom a prebiotic molecular route to construction of a complex system. We cannot figure out the prebiotic routes to the basic building blocks of life: carbohydrates, nucleic acids, lipids, and proteins. Chemists are collectively bewildered. Hence I say that no chemist understands prebiotic synthesis of the requisite building blocks let alone their assembly into a complex system.

"That’s how clueless we are. I’ve asked all of my colleagues – National Academy members, Nobel Prize winners -I sit with them in offices; nobody understands this. So if your professors say it’s all worked out, your teachers say it’s all worked out, they don’t know what they’re talking about. It is not worked out. You cannot just refer this to somebody else; they don’t know what they’re talking about.'”

James Tour – one of the top ten leading chemists in the world.

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