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Originally posted by 1nf1del
reply to post by Pardon?
To make a protein, a cell must put a chain of amino acids together in the right order. First, it makes a copy of the relevant DNA instruction in the cell nucleus, and takes it into the cytoplasm - a bit like taking a photocopy of the instruction manual from the manager's office out to the assembly lines in a car factory. Here, the cell decodes the instruction and makes many copies of the protein, which fold into shape as they are produced.
Without a living cell where does the DNA instruction come from?
Originally posted by ReturnofTheSonOfNothing
Originally posted by 1nf1del
reply to post by Pardon?
To make a protein, a cell must put a chain of amino acids together in the right order. First, it makes a copy of the relevant DNA instruction in the cell nucleus, and takes it into the cytoplasm - a bit like taking a photocopy of the instruction manual from the manager's office out to the assembly lines in a car factory. Here, the cell decodes the instruction and makes many copies of the protein, which fold into shape as they are produced.
Without a living cell where does the DNA instruction come from?
So essentially your position is argument from ignorance?
Intredasting..
Originally posted by 1nf1del
Well please relieve me of the burden of ignorance, are there ribosomes found in mud? How ignorant of me to assume that only a living cell might contain ribosomes!
Originally posted by ReturnofTheSonOfNothing
Originally posted by 1nf1del
Well please relieve me of the burden of ignorance, are there ribosomes found in mud? How ignorant of me to assume that only a living cell might contain ribosomes!
We don't understand the precise mechanics of how gravity works, yet that does not invalidate Newton's laws.
Abiogenesis remains, at this stage a valid hypothesis (along with Clay theory, panspermia and yes, even spontaneous creation). Proving one hypothesis wrong does not necessarily validate the other.
And it certainly has no bearing on the theory of evolution..
Originally posted by 1nf1del
And I'm somehow the ignorant one for pointing out lunacy in arguing any of this? None of you have proven anything and you certainly haven't proven me wrong with insults!
Originally posted by 1nf1del
reply to post by Pardon?
You need proof of common knowledge?
Abiogenic Origin of Life: A Theory in Crisis
Oh crap I'm not supposed to copy paste, how do I get this info to you, snail mail?
Originally posted by Pardon?
Please enlighten us why abiogenesis couldn't have happened as I seem to remember several reproducible experiments showing that it can happen naturally.
In 1952, in the Miller–Urey experiment, a mixture of water, hydrogen, methane, and ammonia was cycled through an apparatus that delivered electrical sparks to the mixture. After one week, it was found that about 10% to 15% of the carbon in the system was now in the form of a racemic mixture of organic compounds, including amino acids, which are the building blocks of proteins.
Pasteur and Darwin Head and shoulders portrait, increasingly bald with rather uneven bushy white eyebrows and beard, his wrinkled forehead suggesting a puzzled frown Charles Darwin in 1879. By the middle of the 19th century, the theory of biogenesis had accumulated so much evidential support, due to the work of Louis Pasteur and others, that the alternative theory of spontaneous generation had been effectively disproven.
Pasteur himself remarked, after a definitive finding in 1864, "Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment."[14][15] In a letter to Joseph Dalton Hooker on February 1, 1871,[16] Charles Darwin addressed the question, suggesting that the original spark of life may have begun in a "warm little pond, with all sorts of ammonia and phosphoric salts, lights, heat, electricity, etc. present, so that a protein compound was chemically formed ready to undergo still more complex changes". He went on to explain that "at the present day such matter would be instantly devoured or absorbed, which would not have been the case before living creatures were formed."[17] In other words, the presence of life itself makes the search for the origin of life dependent on the sterile conditions of the laboratory.
There is no "standard model" of the origin of life. Most currently accepted models draw at least some elements from the framework laid out by the Oparin-Haldane hypothesis. Under that umbrella, however, are a wide array of disparate discoveries and conjectures
Originally posted by UnifiedSerenity
One experiment they did with chemicals / gases, they left out oxygen from the mix? Why did they do that?
Originally posted by ReturnofTheSonOfNothing
Originally posted by 1nf1del
And I'm somehow the ignorant one for pointing out lunacy in arguing any of this? None of you have proven anything and you certainly haven't proven me wrong with insults!
No.
I criticised your argument, not you personally. It's quite a common logical fallacy - even very learned and quite knowledgeable people often fall into it.
Argument from Ignorance - Wikipedia
The search for extraterrestrial life (exobiology) has been repopularized upon the realization of the improbability that life formed through abiogenesis. Scientists have been unable to get a cell to form under any conceivable condition. Likewise it has also become clear that for the basic building blocks of life to form, oxygen must be absent, and yet oxides have been found in rocks supposedly 300 million years older than the first living cells.
Many scientists have objected that the generation of life cannot occur, or have occurred, outside of a planetary environment, where heavier elements are plentiful. Almost the only elements present in interstellar space are hydrogen and helium--and the latter, being an inert or noble gas, is not a component of life in any form known to man. The generation objection by itself would not destroy panspermia. But the transference event requires a transit through space, followed by a passage through the earth's atmosphere and then an impact on the ground or at sea. Either of these events is fraught with danger. The unprotected space outside of an atmosphere is subject to unfiltered radiation in various forms.
These include the products of radioactive decay, cosmic rays (the highest-energy form of electromagnetic radiation known to man), and the stellar wind, a stream of particles that fly out from any star as it continuously burns. Even if any life forms could survive the spatial passage, it must then somehow penetrate the atmosphere and risk incineration from sheer friction, and then must survive the impact. Recently a team of researchers at the Centre for Molecular Biophysics in France were able to simulate a meteoric entry by strapping rocks containing microfossils and laced with Chroococcidipsis, an unusually robust bacterium, to the heat shield of a rocket probe before it was launched and then ordered to re-enter the atmosphere. Though the microfossils remained after re-entry, the bacteria were all destroyed, and only their outlines remained.
The investigators concluded that any bacteria or other micro-organisms in a meteorite would require at least 2 cm of rock covering to protect them. In fact, the experimental conditions seem to suggest that micro-organisms within an actual meteorite would require more shielding than 2 cm, because a typical meteorite enters the atmosphere at about twice the speed of the returning rocket probe.[1]
However, this theory is subject to a number of logical objections:
Where and how did life form or come to this other world, for an intelligent race to build a civilization capable of launching guided missiles into interstellar, or even inter-galactic, space? Directed panspermia thus appears to be an example of the logical fallacy of infinite regression, and thus violative of Occam's razor.
Originally posted by ReturnofTheSonOfNothing
You keep mentioning that science has disproven abiogenesis. Can you please show how and where.edit on 20-8-2013 by ReturnofTheSonOfNothing because: Praying the words into place
Originally posted by Pardon?
reply to post by UnifiedSerenity
The oxygen bit's been answered above. It's also highly unlikely that levels of any dissolved oxygen in the "soup" would be sufficient to cause oxidation in any appreciable level.
You lot always mention that and it always gets answered and obviously forgotten.
I would suggest the hypothesis from Pasteur was superseded by the one over a century later too.
Take this into consideration too, that experiment was performed 60 or so years ago.
The earth is 4.8 billion years old (give or take).
Originally they found around a few amino-acids in it. 50 years later they have found 25.
All 20 of the amino-acids are present plus a few bonus ones.
That's just in a small flask in 50 years.
Think about it.
Originally posted by 1nf1del
Originally posted by ReturnofTheSonOfNothing
You keep mentioning that science has disproven abiogenesis. Can you please show how and where.edit on 20-8-2013 by ReturnofTheSonOfNothing because: Praying the words into place
That is the point it isn't proven either, there isn't any evidence to back it up! Any of the alternative theories are just as plausible! Is it that hard to think the universe and everything in it is eternal?
Originally posted by 1nf1del
That is the point it isn't proven either, there isn't any evidence to back it up!
Originally posted by Pardon?
Originally posted by 1nf1del
Originally posted by ReturnofTheSonOfNothing
You keep mentioning that science has disproven abiogenesis. Can you please show how and where.edit on 20-8-2013 by ReturnofTheSonOfNothing because: Praying the words into place
That is the point it isn't proven either, there isn't any evidence to back it up! Any of the alternative theories are just as plausible! Is it that hard to think the universe and everything in it is eternal?
It's not the point at all.
You've stated that it "couldn't happen" and that it's been "disproven by science" several times now and as yet have still to back them up.
In my long post above I've shown why the "evidence" you cite to say it couldn't happen is wrong.
I've also given you a little hint as to actually how probable it WAS.
You've also been countered with the attempt to disprove the Miller-Urey experiment.
Irrespective of any other evidence whatsoever, this means that it is entirely possible doesn't it?
No, the alternative theories are not theories they are hypotheses. Yes, the word makes a huge difference.
The alternative hypotheses are called that as they have no evidence and are not testable.
Therefore they are not plausible at all.
Your last sentence reeks of desperation.
Originally posted by ReturnofTheSonOfNothing
Originally posted by 1nf1del
That is the point it isn't proven either, there isn't any evidence to back it up!
Not proven, obviously - since it would then be promoted beyond it's 'hypothesis' status.
However, I don't think I would agree that there is no evidence which is supportive of it. Just off the top of my head I can think of the tendancy for organic chemistry to become more and more complex - the fact that carbon atoms seem to like to form increasingly larger and complex chains. And the issue discussed above - that there was little or no oxygen in the early atmosphere - also tends to support it, because we know this affects the chemistry of organic compounds..