So whether or not the DNA that does the job was simply squeezed out of the materials at hand or came about through some sort of mutation, or evolutionary demigod like "natural selection", only that one would work.
If you need a certain protein on Earth, you will find essentially the same little DNA engine elsewhere producing it ~ even at the farthest reaches of the observable universe.
So whether or not the DNA that does the job was simply squeezed out of the materials at hand or came about through some sort of mutation, or evolutionary demigod like "natural selection", only that one would work.
You speak of protein synthesis as if it just popped into existence, but it is a phenomenally complicated thing that defies explanation. If proteins are required in the protein synthesis process, then where did those proteins come from in the first place? And why would a code evolve in the first place without the cellular machinery to use it? The code is so complex that numerous conjectures are advanced that the code evolved from simpler codes. But If that were the case why couldn't have different codes evolved in different lineages resulting in different codes in present species?
Given that the code is chemically arbitrary, and that another code would work just as well, how is it even conceivable that the same code just happened to evolve separately in different parts of the universe?
Cordially,