Isomerism is very important because enzymespecificity 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。
2
The enzyme had better specificity for ramie retting.
该酶对苎麻脱胶有较好的特异性。
3
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.