just making a general reply to tc.
You claim DNA is a code. You claim water is not a code. However, DNA is nothing more than a huge chain of molecules, made up of four nitrogenous bases, a phosphate, and a ribose (or deoxyribose, more specifically). The process of self-replication is nothing more than a huge chemical reaction, involving plenty of proteins.
Water too is a chemical. So are phoshpo-lipids. So are amino acids, so are nucleic acids. These are all made using chemical reactions, following the chemical laws that we know of. So since DNA is a code (according to you), then so is water and all other chemicals and molecules, because they all are made with chemical reactions. But you argue that water isn't a code. Seems a little odd to me that you would pick and choose what chemicals and what molecules are code and which aren't.
As several have pointed out, the process of self-replication is a chemical reaction, and DNA itself is nothing more that a chain of molecules. Which isn't code--since when do molecules have "intent"?
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