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Spontaneous Life Generation in Lab is Impossible

stevevw

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Every liquid in our body (in and outside cells) is full of water molecules... I'm no biochemist, but I'm dubious that water is too corrosive for organic chemistry. Got a reference?

I agree that energy is required for life... if only there were sources... oh wait, weather, tides, sunlight, volcanoes... nope nothing.

I have read that miller had assumed certain elements were present for his experiments such as no oxygen in a reducing atmosphere. Other elements like ammonia, Methane and hydrogen are all assumed or are not stable enough to last the time that is needed. So, the atmosphere used was irrelevant. In fact, the experimental conditions are also irrelevant.

The Miller-Urey experiment
 
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Smidlee

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Every liquid in our body (in and outside cells) is full of water molecules... I'm no biochemist, but I'm dubious that water is too corrosive for organic chemistry. Got a reference?

I agree that energy is required for life... if only there were sources... oh wait, weather, tides, sunlight, volcanoes... nope nothing.

"Steve Benner: We have failed in any continuous way to provide a recipe that gets from the simple molecules that we know were present on early Earth to RNA. There is a discontinuous model which has many pieces, many of which have experimental support, but we're up against these three or four paradoxes, which you and I have talked about in the past. The first paradox is the tendency of organic matter to devolve and to give tar. If you can avoid that, you can start to try to assemble things that are not tarry, but then you encounter the water problem, which is related to the fact that every interesting bond that you want to make is unstable, thermodynamically, with respect to water. If you can solve that problem, you have the problem of entropy, that any of the building blocks are going to be present in a low concentration; therefore, to assemble a large number of those building blocks, you get a gene-like RNA -- 100 nucleotides long -- that fights entropy. And the fourth problem is that even if you can solve the entropy problem, you have a paradox that RNA enzymes, which are maybe catalytically active, are more likely to be active in the sense that destroys RNA rather than creates RNA."

Steve Benner: Origins Soufflé, Texas-Style | Suzan Mazur


Your cells have nano-machines that is constantly repairing your DNA to keep it together.
 
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SkyWriting

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Shemjaza

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There is no scientific separation of the two.
Only bloggers who keep them separate.

The origin of life is part of evolutionary biology.

From Soup to Cells—the Origin of Life

Separate? They aren't even in the same field of inquiry. Abiogenesis is a set of hypothesis based in biochemistry.

The theory of evolution is zoology, genetics and geology.

I gave you two references, "law of mass action", and "endothermic reactions"

No, you referred to two scientific principles, you didn't give me a reference for how they make the formation of RNA and DNA impossible.


well yeah, we could guess that lightening struck and with a whole lot of luck some amino acids formed. But water because it is a solvent, will break down even those elements, not build them into proteins. Secondly, even with energy you can't produce 100% left handed amino acids which proteins and basics of DNA and life all require (DNA require right handed nucleotides-rather). But lets get back to the energy required for endorthermic reactions. Lightening? Volcanoes? Really? I have given you two scientific citations, do you have any peer reviews that suggest what this energy is? I presume you are simply guessing. In which case chemical evolution/abiogenesis shall not be in the least bit considered a scientific theory, as it lacks observation and testing.

Yes, just guessing... however, I never implied that abiogenesis should be called a theory. It's merely a hypothesis.

However all those examples are actually in existence and do allow for energy to fuel chemical processes.

Demonstate what exactly? That's according to our knowledge it's impossible to beam people up on the Enterprise and warp to the next galaxy? You want to prove this fairy tale Frankencell never existed?
I believe your example prove exactly the oppisite that we can use our knowledge of biogenesis (jets) to disprove abiogenesis (Superman).
The fact that no one has come close of engineering a true self-replicating machine is good evidence. As well as the many paradoxes that abiogenesis has to overcome, the only reason to believe in it is for religious reasons. (The belief the mindless universe created life)

"We don't know how this can happen" is not the same as "This is impossible".

Just tell me how the biogenesis experiments have any effect of the abiogenesis hypothosis.

We can't build a mountain either, but that doesn't make the existence of everyone a miracle and mystery to science.

I have read that miller had assumed certain elements were present for his experiments such as no oxygen in a reducing atmosphere. Other elements like ammonia, Methane and hydrogen are all assumed or are not stable enough to last the time that is needed. So, the atmosphere used was irrelevant. In fact, the experimental conditions are also irrelevant.

The Miller-Urey experiment

Even if the Miller–Urey is a total failure, that just means it doesn't show anything to demonstrate abiogenesis. It doesn't disprove the hypothesis.

(Incidentally, I'm suspicious of your source as it it features misleading information about science and evolution.)

"Steve Benner: We have failed in any continuous way to provide a recipe that gets from the simple molecules that we know were present on early Earth to RNA. There is a discontinuous model which has many pieces, many of which have experimental support, but we're up against these three or four paradoxes, which you and I have talked about in the past. The first paradox is the tendency of organic matter to devolve and to give tar. If you can avoid that, you can start to try to assemble things that are not tarry, but then you encounter the water problem, which is related to the fact that every interesting bond that you want to make is unstable, thermodynamically, with respect to water. If you can solve that problem, you have the problem of entropy, that any of the building blocks are going to be present in a low concentration; therefore, to assemble a large number of those building blocks, you get a gene-like RNA -- 100 nucleotides long -- that fights entropy. And the fourth problem is that even if you can solve the entropy problem, you have a paradox that RNA enzymes, which are maybe catalytically active, are more likely to be active in the sense that destroys RNA rather than creates RNA."

Steve Benner: Origins Soufflé, Texas-Style | Suzan Mazur


Your cells have nano-machines that is constantly repairing your DNA to keep it together.

I'm a little suspicious of anti-evolution journalists as a source. Got some scientific references?
 
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Smidlee

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"We don't know how this can happen" is not the same as "This is impossible".

Just tell me how the biogenesis experiments have any effect of the abiogenesis hypothosis.

We can't build a mountain either, but that doesn't make the existence of everyone a miracle and mystery to science.
What do you mean we can't build a mountain? You must have never been to a landfill.
Just because we don't know how Superman could fly without wings is not the same as "this is impossible". He could have found how to counter react gravity. For it to be possible it would require a miracle. The same with abiogenesis. The more we learn about living cells the more it's revealed abiogenesis is impossible. It would be a lot easier to believe abiogenesis 100 years ago than it is today.

I'm a little suspicious of anti-evolution journalists as a source. Got some scientific references?
Steve Benner is an anti-evolutionist?
 
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Paul of Eugene OR

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The holy grail of evolution is to simulate life in the laboratory and claim this proves the idea of the origin of life. It is impossible to prove life is a result of a random process in the laboratory.

I say this for the simple fact that the experiment must be orchestrated. Any interaction from an external being removes the truly random component from the experiment. Simply by observing the experiment, touching, or measuring any part of it excludes it from being purely random. Hence the experiment becomes immeasurable and proves nothing.

I didn't realize there was a evolution sub-forum. Moderator move this if needed please.

On the other hand, if life is possible to originate naturally, then it must be possible to originate life in the laboratory. And if the method of originating life in the laboratory is sufficiently general instead of specific, it will provide powerful evidence that life could have originated naturally.
 
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stevevw

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Even if the Miller–Urey is a total failure, that just means it doesn't show anything to demonstrate abiogenesis. It doesn't disprove the hypothesis.
Doesn't prove it either so it cant be used to promote life in a lab. There are other sources which show the difficulty in proving that life can form spontaneously from non-life molecules.

(Incidentally, I'm suspicious of your source as it it features misleading information about science and evolution.)
Well heres a science site. But it really doesnt matter because no one could have known what the atmosphere was like so it has to be an assumption.
But this site actually shows that there was oxygen in the early earths atmosphere which shows that millers assumptions were wrong. With oxygen present it makes it even more unlikely that life formed on earth. Now they are saying it must have come from elsewhere in the universe.
Origins of Life: Atmosphere of early Earth was Dominated by Oxygen-Rich Compounds
 
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Paul of Eugene OR

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. . . .The same with abiogenesis. The more we learn about living cells the more it's revealed abiogenesis is impossible. . . .

Sorry, we cannot learn such a thing by mere accumulation of facts. Please share the reasoning behind this statement.

It is an article of faith for me that God could design a universe in which life could arise spontaneously. God is up to the task of doing that, wouldn't you agree?

So if you believe abiogenesis is impossible, you are making a statement about how limited the universe is. Since we haven't completely deciphered, yet, the laws our universe is subject to, it seems to me your statement is premature.
 
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Shemjaza

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What do you mean we can't build a mountain? You must have never been to a landfill.
Just because we don't know how Superman could fly without wings is not the same as "this is impossible". He could have found how to counter react gravity. For it to be possible it would require a miracle. The same with abiogenesis. The more we learn about living cells the more it's revealed abiogenesis is impossible. It would be a lot easier to believe abiogenesis 100 years ago than it is today.

A mountain kilometers high and made of granite is impossible for us to build with our technology.

My point is is still not that abiogenesis is possible, but that you have provided no actual experimental evidence that it's impossible... despite repeatedly asserting it.

Steve Benner is an anti-evolutionist?

No, he appears to be a proponent of a different flavour of abiogenesis.

I was referring to the one who wrote the article:
"Suzan MazurAuthor, 'The Altenberg 16: An Expose of the Evolution Industry'"

On the other hand, if life is possible to originate naturally, then it must be possible to originate life in the laboratory. And if the method of originating life in the laboratory is sufficiently general instead of specific, it will provide powerful evidence that life could have originated naturally.

If it originated naturally it should be possible to replicate it in a lab, except it may be so rare and unlikely that we will never have real evidence.

Doesn't prove it either so it cant be used to promote life in a lab. There are other sources which show the difficulty in proving that life can form spontaneously from non-life molecules.

I agree. There are not yet any real experiments that really show how life can develop, and even less evidence about how life really did start on this planet.

Well heres a science site. But it really doesnt matter because no one could have known what the atmosphere was like so it has to be an assumption.

Yes, but that assumption can be strongly based on evidence found in geology. A lot can be learned, in particular about atmosphere, from rocks formed in a certain environment.

But this site actually shows that there was oxygen in the early earths atmosphere which shows that millers assumptions were wrong. With oxygen present it makes it even more unlikely that life formed on earth. Now they are saying it must have come from elsewhere in the universe.
Origins of Life: Atmosphere of early Earth was Dominated by Oxygen-Rich Compounds

Lots of oxygen compounds make it harder, but the lack of free oxygen still helps with the ideas.

Incidentally this is the last paragraph of your source:
The results do not, however, run contrary to existing theories on life's journey from anaerobic to aerobic organisms. The results quantify the nature of gas molecules containing carbon, hydrogen, and sulfur in the earliest atmosphere, but they shed no light on the much later rise of free oxygen in the air. There was still a significant amount of time for oxygen to build up in the atmosphere through biologic mechanisms, according to Trail.
 
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SkyWriting

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Sorry, we cannot learn such a thing by mere accumulation of facts. Please share the reasoning behind this statement.

Entropy increases. Life is contrary to entropy.
 
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SkyWriting

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RealityCheck

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Paul of Eugene OR

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Entropy increases. Life is contrary to entropy.

Nothing that is contrary to the laws of entropy can exist.

Life exists.

Therefore life is not contrary to the laws of entropy.

Some surprising things about entropy:

a) Entropy can decrease in a particular place. (Its just that, elsewhere, entropy will increase more to compensate.)

b) Out in the space, the average amount of entropy per cubic light year is decreasing. (The total entropy is increasing, but that is because, due to the expansion of the universe, the number of cubic light years is increasing faster).

c) Entropy is regularly exiting the earth. This allows us to maintain order here on earth.
 
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