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Mar 15, 2018 at 15:32 comment added Carduus You asked if it can be digested, not if we could survive solely on non-DNA'd substances. Those amino acids being formed without a 'compiler' would be a monkey-and-typewriter situation.
Mar 15, 2018 at 15:16 comment added Kevin Hulburt But aren't all nucleotides built on the fundamental rules of DNA? If an organism evolved based on a different rule set, we wouldn't get the amino acids we are unable to produce: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Right?
Mar 14, 2018 at 15:20 history answered Carduus CC BY-SA 3.0