N any enzyme, esp an exopeptidase, that acts upon terminal chemical bonds in a chain of molecules 胞外酶 → compare endoenzyme
Two enzymes having the different hydrolytic products with regenerated chitin as substrate that show that the chitinase is an endo enzyme and the papaya lysozyme is an exo enzyme.
比较了虾几丁质酶和木瓜溶菌酶对再生几丁质与溶壁微球菌作底物时的水解速度，证明各有其最适底物。
The exo-polysaccharide content of Aspergillus genus in stored grains such as rice, wheat and com was detected by Enzyme-linked Immunosorbent Assay(ELISA)with a Aspergillus genus-specific antibody.
以曲霉属特异性抗体为材料，运用酶联免疫吸附法对稻谷、小麦、玉米等几种储存粮食中污染曲霉的胞外多糖含量进行了检测，并和平板计数法的曲霉菌落数进行比较。
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