| http://www.w3.org/ns/prov#value | - Scale can be controlled chemically using substances such as polyphosphates, phosphonates and various polymers.P esters and phosphonates are present in unchanging proportions throughout the ocean.Dr Kee believes the earliest forms of DNA / RNA could have been built from other phosphorus-containing molecules called phosphonates, because they are water-soluble and more reactive.
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