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Author Topic:   Design Framework for Evolution
Panda
Member (Idle past 3712 days)
Posts: 2688
From: UK
Joined: 10-04-2010


Message 76 of 81 (699379)
05-18-2013 9:11 AM
Reply to: Message 75 by Genomicus
05-18-2013 1:40 AM


Genomicus writes:
Yet I still do not see where exactly the inefficiencies lie. Merely because the Krebs Cycle uses parts in other systems does not make it inefficient. What part of the Krebs Cycle is inefficient, or a sub-optimal design?
Unfortunately, I cannot answer than question - my biological knowledge drops me off several streets before that destination.
But I assume it is what AZPaul3 is referring to here:
AZPaul3 writes:
With the evolutionary holdovers from pre-glucose and anaerobic processes...
This implies it has functionality that is no longer useful to a modern homo sapiens.
Hopefully others will provide some detail in to exactly how the Krebs Cycle is inefficient...
AZPaul3...it's your turn!

"There is no great invention, from fire to flying, which has not been hailed as an insult to some god." J. B. S. Haldane

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AZPaul3
Member
Posts: 8513
From: Phoenix
Joined: 11-06-2006
Member Rating: 5.2


(1)
Message 77 of 81 (699394)
05-18-2013 1:35 PM
Reply to: Message 76 by Panda
05-18-2013 9:11 AM


I cannot answer than question - my biological knowledge drops me off several streets before that destination.
AZPaul3...it's your turn.
You were not alone on that bus ... nor were you alone when you got off.

This message is a reply to:
 Message 76 by Panda, posted 05-18-2013 9:11 AM Panda has seen this message but not replied

  
New Cat's Eye
Inactive Member


Message 78 of 81 (699921)
05-28-2013 11:02 AM
Reply to: Message 67 by Genomicus
05-16-2013 1:01 AM


From the perspective of the genome, we are not looking at salt crystals, since the genome encodes the information needed to construct molecular machinery. When I say "genome," I do not mean merely the nucleic acids, but the information as well.
The nucleotides need no more "information" to form the genome than sodium and chloride need to form salt crystals. Its still spontaneous chemical reactions that are following the laws of physics, its just a lot more complicated. You wouldn't bring up the information needed for the salt to know where the next molecule goes to form the complex crystalline structure, would you?

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 Message 67 by Genomicus, posted 05-16-2013 1:01 AM Genomicus has replied

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 Message 79 by Genomicus, posted 06-03-2013 4:39 PM New Cat's Eye has replied

  
Genomicus
Member (Idle past 1941 days)
Posts: 852
Joined: 02-15-2012


Message 79 of 81 (700493)
06-03-2013 4:39 PM
Reply to: Message 78 by New Cat's Eye
05-28-2013 11:02 AM


The nucleotides need no more "information" to form the genome than sodium and chloride need to form salt crystals.
Yes. But the genome conveys the information needed to construct protein sequences. This information is not purely chemical; while mRNA translation operates according to the rules governing chemical interactions, there is no chemical law that states that, for example, the codon ATG must encode methionine.
Edited by Genomicus, : No reason given.

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 Message 78 by New Cat's Eye, posted 05-28-2013 11:02 AM New Cat's Eye has replied

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New Cat's Eye
Inactive Member


Message 80 of 81 (700495)
06-03-2013 4:52 PM
Reply to: Message 79 by Genomicus
06-03-2013 4:39 PM


The nucleotides need no more "information" to form the genome than sodium and chloride need to form salt crystals.
Yes. But the genome conveys the information needed to construct protein sequences.
No more than the conditions "convey" to the salt the info needed to construct crystals.
This information is not purely chemical;
Yes, it is. Which part isn't?
while mRNA translation operates according to the rules governing chemical interactions, there is no chemical law that states that, for example, the codon ATG must encode methionine.
Given the conditions, the codon will end up yielding the amino acid just like given the conditions, the salt will crystalize.

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 Message 79 by Genomicus, posted 06-03-2013 4:39 PM Genomicus has not replied

  
angelareese 
Suspended Member (Idle past 2478 days)
Posts: 1
Joined: 01-15-2015


Message 81 of 81 (747399)
01-15-2015 6:57 AM


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______________
Colposcope
Edited by Admin, : Break link.

  
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