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- From: 18084TM@msu.edu (Tom)
- Subject: Originas of life (was ET's)
- Message-ID: <1992Jul31.172217.149621@cs.cmu.edu>
- Date: Fri, 31 Jul 92 17:19:24 GMT
- Organization: [via International Space University]
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- Lines: 43
-
-
- >>They wouldn't even have to self-replicate, just affect each other.
- >>If one set of reactions happened to get into some kind of positive
- >>feedback....
-
- >Why would they not have to self-replicate? If positive feedback was
- >sufficient, then a hydrogen flame should be the first life form. (And
- >remember, we not only need self-replication, we need non-trivial
- >self-replication.)
-
- I was thinking more along the lines of RNA group 1 leads to the creation
- of group2...it, in turn with group 3,4,5...N creates group 1 again.
- Sort of an "I'll make you if you make me" kind of deal.
-
- And I've still seen no definition of non-trivial, unless you mean
- 'using DNA', which I would call, instead, 'DNA-centric'.
-
- >>Check out 'protien spheres' in some biology book, BTW. It's not
- >>that unusual for non-life to mimic life.
-
- >So what? We need actual life, not something that just mimics it. And
- >mimic is exactly all that those protein spheres do, given that they
- >don't have any equivalent of genetic information.
-
- Well, ok, protien spheres only mimic life. But, if protien spheres mimic
- cell membranes, and RNA replicators 'mimic' enzymes and tRNA, well, how
- many things need to be shown that 'mimic' life before you'll be satisfied
- that it IS life, or at least may be part of the origin of life?
-
- Maybe you'll prefer a different way of thinking 'statistically'. What's
- more improbable...that some configuration or system of amino acids/rna/etc
- began self-replicating enough to 'evolve'...or that all these things just,
- 'by chance', mimic life-processes, but have nothing at all to do with the
- origin of life? I choose the latter.
-
- -Tommy Mac . " Malcolm X: +
- .------------------------ + * +
- | Tom McWilliams; scrub , . You've seen the hat, " +
- | astronomy undergrad, at * +;. . '
- | Michigan State University ' . "
- | 18084tm@ibm.cl.msu.edu ' , *
- | (517) 355-2178 ; + ' now catch the movie! *
- '-----------------------
-