β半乳糖苷酶是细胞溶酶体中的水解酶,在肾近曲小管上皮细胞中含量较高。
乳糖酶类→β半乳糖苷酶类 Lactases see Beta-Galactosidase
The promoter in this case is called the lac promoter and normally in micro-organisms that lac promoter is used to produce a gene called lacZ which makes a protein called beta-galactosidase.
在这个例子中的启动子称作lac启动子,通常在微生物中,lac启动子是用来生成,一段叫lacZ的基因,这段基因,能制造一种蛋白叫β-半乳糖苷酶
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