Isomerism is very important because enzyme specificity restricts viable organisms to the use of only one of the TWO forms.
异构现象是非常重要的，因为酶的特异性限制生物体都只能使用两种同分异构体中的一种。
The enzyme had better specificity for ramie retting.
该酶对苎麻脱胶有较好的特异性。
The quality of an enzyme immunoassays depends very much on the purity of the antigen or hapten used for conjugation, the specificity of the antibody and the choice of a suitable enzyme label.
酶免疫分析技术的质量依赖于抗原的纯度、抗体的特异性、合适标记酶的选用，其灵敏度取决于标记酶的高度纯化和高转化率。
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