| 单词 | 细胞外 |
| 释义 | 〔exoenzyme〕An enzyme, such as a digestive enzyme, that functions outside the cell from which it originates.外酶：酶的一种，如消化酶，在细胞外发生作用〔extracellular〕Located or occurring outside a cell or cells:细胞外的：存在于一个或几个细胞外面的：〔subtilisin〕An extracellular enzyme produced by certain strains of a soil bacterium(Bacillus amyloliquefaciens) that breaks down proteins into polypeptides and resembles trypsin in its action. 枯草杆菌蛋白酶：由一种土壤细菌（解淀粉芽孢杆菌） 产生的细胞外蛋白酶，能够将蛋白质分解成多肽，其作用过程类似胰蛋白酶 |
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