You mean other than decayed/destroyed proteins? No. There's zero evidence that those proteins would magically turn into living cells after billions of years, that's just speculation you want me to accept as true with only speculation as your basis.
The atheists have been claiming we definetly went from non-life to life through nothing but naturalistic processes, and the Milly-Urey experiment was the evidence they gave for that. But here you say they only got "the building blocks of life." If they got life from non-life, then it wouldn't be labeled as building blocks, it would simply be labeled as life. But it's not labeled as life, because they didn't get life. So once again, there is no evidence for the transition of non-life to life under naturalism. I mentioned before there's a myrid of things missing for an actual living cell.
One last thing to address is the whole "well we don't live billions of years so we can't see it." That's just an excuse to sweep your problems under the rug.
A: Hey look, here's a problem.
B: No it's not, billions of years did it.
A: How do you know billions of years did it, or that billions of years could even do such a thing?
B: ...uhh... just believe that billions of years did it, becuase with billions of years anything is magically possible.
This sounds like the atheists' "god of the gaps" argument, just replacing "God did it" with "billions of years did it."
The fact is you do not know what the amino acids could have turned into after a billion years. That's ok, we both can agree on that.
I'm not saying billions of years did it but I am saying that with the fossil record and if the age of the earth really is 4.54 billion years old then it's a definite possibility.
[h=3]Later results[/h]One common
creationist argument is that the Urey-Miller experiment only created a few of the amino acids used by life, not life itself. Another is that the gases used by Miller and Urey were different from those actually present on primordial Earth.
According to a
paper published in Science in 2008, researchers were able to reanalyze the residues from one of the original experiments, and found several amino acids that instruments in the 1950s were not sensitive enough to detect. In other words, Miller and Urey were more successful than they realized.
The paper also argues that the atmosphere used in that experiment may have been locally realistic. That is, that mixture of gases would not occur throughout the planet, but only near
volcanic eruptions.
Later studies during the 1960s by
Joan Oró, et al., that used atmospheric conditions that better match the actual (hypothesized) atmosphere of early Earth turned out to give even better results, turning up for example adenine, which is one of the
nucleotide bases that form the "backbone" of
DNA.
Abiogenesis - Iron Chariots Wiki