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xenobiotic n.【生物學】有害異物〔有害于生物體的異物〕。

xenocentric

Cytochrome p450 functions as the monooxygenase . p450s are involved in physiologically important processes including steroid metabolism , drug deactivation , procarcinogen activation , fatty acid metabolism , xenobiotic detoxification and wildly distributed in animal , plant and low eukaryotic organism 細胞色素p450具有加單氧酶的作用,并能參與機體解毒、甾體激素的合成、脂肪酸代謝等重要的生理反應,并廣泛分布于動物、植物和低等真核生物中。