Re: Metabolism Forced

From: tinyurl.com/uh3t (rem642b_at_Yahoo.Com)
Date: 11/08/04 

Date: Mon, 8 Nov 2004 23:16:21 +0000 (UTC)

> From: tomhendricks474@cs.com (TomHendricks474)
>> Take just about any ionizing source such as UV or
>> electric spark, apply it to just about any molecular species, even
>> oxygen or water vapor, and watch how the resultant ions etc. cause
>> chemical reactions to occur in just about any substance you expose to
>> those ions etc. Do you agree?
> Yes, Now take that energy source away. Does
> the chemistry keep on going - at the origin?

The immediate production of chemical fragments would cease immediately.
The chains of chemical reactions already started would continue to run
for a while, but would gradually decay as their input (reactants)
became exhausted. With only solar UV as a source of energy, every night
this reduction of activity would occur. Near an underwater thermal vent
which remains active for months or years, no such nightly reduction
would occur, the chemistry would keep going strong for all those months
or years.

> Let's put all this where the temp keeps increasing
> till its as hot as the sun

How is that in any way relevant to the topic we're discussing?

> Or keep cooling it below liquid water down to Absolute zero

That's physically impossible. And irrelevant too.

> Then everything must be within the temp range of
> liquid water 0-100C.

No. The sites where molecules are broken into fragments can be very
hot, such as inside lightning strikes, next to a crashed asteroid or
comet, or deep inside cracks/crevices/channels in volcanic situations.
Even in the water where interesting chemistry is going on, under
pressure the boiling point can be hotter than 100C and this is just
fine for some chemical reactions. However I'd agree the first
replicator probably formed in water that had a more mild temperature,
in the range you cited there, getting input chemicals from the
super-hot places but not itself being located in such a super-hot
place.

>> The only question is whether in a huge mix of Miller-Urey gunk, running
>> on a large scale for hundreds of millions of years, a replicator
>> eventually forms.
> Powered by what

By the chemical energy of those fragments of molecules (produced by UV
or high heat) and/or some intermediate byproducts of those fragments
after they've encountered other molecules and reacted with them.

> how much power

Near even a single undersea volcanic vent, lots more energy than was
used in a single Urey-Miller experiment. Worldwide, orders of magnitude
more than that. No, I don't have exact numbers on wattage of power
total.

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