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单词 biotin
释义 bi·o·tin
\ˈbīətə̇n\ noun
(-s)
Etymology: International Scientific Vocabulary biot- (from Greek biotos life, sustenance, from bios life, way of life) + -in; originally formed in German
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex that occurs widely (as in yeast, liver, and egg yolk) usually in combined form, that is inactivated by combination with avidin in the case of egg-white injury, and that is involved in the fixation of carbon dioxide (as by pyruvate to form oxalacetate) in mammals and bacteria
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