"TomHendricks474"  wrote in message
news:brtsj0$2lv8$1{at}darwin.ediacara.org...
> << The only
> question is where do genes come from?- >>
>
>
> I don't think so. No matter what magical chemical process
you can think up in
> the primordial soup - it'll still most likely burn up.
> Chilling chems don't harm them much - burning them up
does.
> Make a gene, a membrane, a nucleic acid, an amino acid or
string of them - its
> all going to burn up if it can't survive and adapt to the
heat cycle all around
> it.
> The biggest question for life is what advantage would this
early stage have to
> survive that specific day and environment.

I can't argue with your thesis that "chillin', ok, burning,
bad!" :) For a non-protein-chemist like me, all I can make
out of the extent and quality of the data available and that
needed to support any real hypothesis on specific pathways
to life is, as you once said, the snow white/7 dwarves
condition applies (temperature cycles jes right.) Just the
other night I was watching a Scientific Frontiers  program
on PBS with Alan Alda narrating, and at one point it touched
on life in the Hot Yellowstone Springs--impressive video of
boiling sulfurous mud flats...with _living_ bacteria in
them! This, and your question made me try a google search on
hot springs life--one of the first references found was
http://www.bact.wisc.edu/Bact303/b1  on Yellowstone...very
interesting to see this summary of what's known there in
tabular form. If simple life can exist there, maybe its
precursor forms can too (btw, has some form of organic or
inorganic temp. sheltering/ shielding for the precursor
chemicals/enzymes/polymers of life at the extremes of temp.
cycles possible been looked into, i.e., protectent
substances [silicates, oxides?], or, say, something like
deep porous hard rock regions where they can do their
thing?) I kinda like the concept of a rock womb giving birth
to the first organic lifeform. :)                 ...tonyC
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