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I have read that glycine, alanine, and tryptophan have been found in interstellar space, what are the implications of this for later protein formation?
The discovery of amino acids like glycine, alanine, and tryptophan in interstellar space is significant as these molecules are essential building blocks of proteins. This discovery suggests that these building blocks of life might have been present in the raw materials from which planets and ultimately life forms are created.
Understanding the presence of these amino acids in interstellar space helps scientists in unraveling the mechanisms by which life could have potentially formed on Earth or other planets. It also raises fascinating questions about the origin of life and underscores the possibility that life might not be unique to Earth.
This discovery may also provide insights into the processes that take place in the vastness of space and how these organic molecules could have been delivered to Earth or other planets through meteoritic impacts, possibly seeding life in the universe. It fuels exciting research into astrobiology, the study of the origins, evolution, and distribution of life in the universe.
originally posted by: whereislogic
originally posted by: Zanti Misfit
Hmm..... Where did the Octopus come From ?
originally posted by: chr0naut
Ancient Molluscs.
That is the claim. Mollusks like slugs and snails. Note the major gap and differences between these animals, leaving no trace in the fossil record of any intermediate species that show a gradual transformation from slugs and snails to octopi.
And this is supposed to be science?
originally posted by: Xtrozero
originally posted by: BeyondKnowledge3
Well for one thing, according to science, the atmosphere is not what it was when life was created. All that peaky oxygen that is poluting the planet was not a gas then.
Also scientists do not have millions of years to run an experiment to make life in the lab.
I am not saying ether way is correct on this, just explaining the problem from the science side.
I agree, there are two paths creationists go. The first one is the spark of life. As you said, the earth was much different than today, and it is one thought that that spark is freaken rare, like only a few times it happened and took form in billions of years.
The other is the evolution of life into species. Either life evolved, or God spontaneously created 1,000 animals all at once to start a new species going, and that is a rough one to accept.
originally posted by: chr0naut
If mutation is the primary method of acquiring genetic change, then it requires more than one organism to have exactly the same (random) mutation/s. While this is possible, it makes things far less likely than the general process as defined in the Modern Evolutionary Synthesis.
The most rational conclusion, in the face of the variety of life and the speed of adaptation, is that yes, evolutionary adaptation happens, and also that 'something' is, and has been, helping things along, as well.
Similarly, evolution describes how species change and acquire, or lose, (or both), genetic traits, but while it describes change, it does not describe how life started in the first place. Chemical abiogenesis, while looking like it may be possible, has never been demonstrated and it would make a mockery of the phylogenetic tree of life spontaneously arose from chemistry billions of times over the history of the Earth, as might be expected with the limited number of elements that are used by biological processes that and that exist stably.
originally posted by: chr0naut
However we can trace likely ancestry via genetics, and can surmise how traits arose that differentiated later species from their ancestors.
originally posted by: Xtrozero
Today we are much closer to explaining life than even 10 years ago, and I don't think people stay up on current events and just kind of live in their belief system.
originally posted by: Xtrozero
originally posted by: chr0naut
If mutation is the primary method of acquiring genetic change, then it requires more than one organism to have exactly the same (random) mutation/s. While this is possible, it makes things far less likely than the general process as defined in the Modern Evolutionary Synthesis.
I don't agree with that point. Species live along a scale of evolution. Let's just use a million years to make it simple, so like species within that million years will have enough similarities to breed. We see it in big cars that can breed, but the donkey and horse are just outside of that species similar to where they can breed but mules are sterile. Then if we look at humans and chimps, they can't breed no matter what because the distance in evolutionary change is too great.
I still feel we are trying to hit the easy button still when we can't explain something...oh God did it... How is that any different than saying God made the wind blow?
The most rational conclusion, in the face of the variety of life and the speed of adaptation, is that yes, evolutionary adaptation happens, and also that 'something' is, and has been, helping things along, as well.
As I said before it seems from a few people deep in this area of the study, they suggest the spark of life was very rare to go past any stage after the initial simple chemistry of life. It is also seen that life was in very simple forms for billions of years and it wasn't until the predator/prey part came into existence that evolution really started to do its thing.
Similarly, evolution describes how species change and acquire, or lose, (or both), genetic traits, but while it describes change, it does not describe how life started in the first place. Chemical abiogenesis, while looking like it may be possible, has never been demonstrated and it would make a mockery of the phylogenetic tree of life spontaneously arose from chemistry billions of times over the history of the Earth, as might be expected with the limited number of elements that are used by biological processes that and that exist stably.
Today we are much closer to explaining life than even 10 years ago, and I don't think people stay up on current events and just kind of live in their belief system. BTW, any time God is used to explain something it really explains nothing...
originally posted by: chr0naut
To breed successfully, organisms need to be at the right place, at the right time, and with sufficient genetic compatibility.
Once the amount of genomic mutation rises enough to cause bio-incompatibility (and genetic change is cumulative over generations), that genomic line is terminal because they have no available compatible mate to pair with.
and also that 'something' is, and has been, helping things along, as well.
God "makes the wind blow" by atmospheric and physical forces that we can measure and describe.
it does not describe how life started in the first place.
Since we have not actually attained a comprehensive explanation for life, wouldn't all those 'advances' really not amount to anything definite? Sounds like using 'science' as an un-think label to explain things it doesn't?
Abiogenesis is a complex field of study that seeks to understand how life could have emerged from nonliving matter. While there is no definitive proof of this process occurring.
....the exact pathway from non-living chemistry to living organisms is still unknown. The field is progressing, but recreating the exact conditions and processes that led to the origin of life billions of years ago remains a significant scientific challenge....and definitive proof of the specific mechanisms and pathways involved is still lacking.