xanthine

1. They also found hypoxanthine and xanthine , which don 't factor in to dna but are used in other biological functions .

他们还发现了次黄嘌呤和黄嘌呤，它们于dna不发挥作用，但被用于其他生物功能。

2. Hydrogen peroxide is the major oxidant product of xanthine oxidase .

过氧化氢是黄嘌呤氧化酶的主要氧化产。

3. Moreover , analysis of the antarctic ice and australian soil around where the meteorites were found showed the amounts of the two nucleobases as well as the hypoxanthine and xanthine to be drastically lower .

此外，南极的冰和澳大利亚发现陨石处的周围土壤的分析表明，两种碱基以及次黄嘌呤，黄嘌呤的数量大幅低于陨石中的含量。

4. Drugs that block some activities of the enzyme , known as xanthine oxidoreductase ( xor ) , might therefore offer a novel antiobesity therapy designed to fight fat before it even forms , the researchers said .

研究人员说，像黄嘌呤氧化还原酶（xor）等已知的阻止酶活性的药物，可能因此提供一种新的在肥胖形成前来对抗它的抗肥胖疗法。

5. Characters and applications of xanthine oxidase of cow milk were described .

综述了牛乳中黄嘌吟氧化酶的各种性质及其应用。

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