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The best way to think about life is: RNA is one true source of life activity. Everything else: DNA, proteins, carbohydrates and membranes are just things that RNA decorates itself with to minimize degradation by other RNAs, which are trying their best to cut your RNA into little pieces.

That's why you have to be so careful: life tries very hard to keep the wrong RNAs out.

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DNA is the hereditary material, RNA isn't "decorating itself" with DNA.

You're taking my use of the term decorating too literally. In the case of DNA I meant that RNA likely began to delegate the heredity function to DNA since it was much polymers were more stable at room temperature and it was less likely to form complex 3D structures.

agreed- DNA is a puppet, RNA is the puppet master.

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