Melanoma cells and its patterns are normal, but congenital enzyme tyrosine sharp reduction or lack of, with the result that should not have caused melanoma.
它的黑色素细胞与形态都是正常的，只是先天性酷氨酸酶尖性减少或缺乏，致使不能产生黑色素所引起的。
Nitric oxide (NO) content in pulmonary tissues was determined using nitrate enzyme reduction method.
同时用硝酸还原酶法测定肺动脉组织一氧化氮(NO)含量。
Xylose reductase(XR) is a key enzyme in D-xylose metabolism, catalyzing the reduction of D-xylose to xylitol. The reported xylose reductase from C.
木糖还原酶（XR）是D-木糖代谢途径中的关键酶，催化还原D-木糖成木糖醇。
She needs to know this enzyme works by both acid base chemistry, and oxidation reduction.
她要知道酶催化，她需要知道这种酶，在酸碱环境下的反应和氧化还原反应。
Proper choice of operation conditions can effectively lead to reduction of deactivation rate and prolong the lifetime of enzyme in usage.
选择合理的反应条件，有助于减少失活，增加酶的使用周期。
Proper choice of operation conditions can effectively lead to reduction of deactivation rate and prolong the lifetime of enzyme in usage.
选择合理的反应条件，有助于减少失活，增加酶的使用周期。
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