The rest either undergoes enterohepatic recycling or demethylation by microflora in the intestine and immune system and eventual elimination through the feces. |
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That imprinted genes escape demethylation is, we now know, all that stood between science and the cloning of mammals for many years. |
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The hydroxylated PCBs were synthesized using the Suzuki coupling of chlorobenzene boronic acids with bromochloro anisoles followed by demethylation with boron tribromide. |
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