知识贝壳
知识贝壳
所属栏目：英汉双解生物技术与遗传工程
Enzymes that are produced by microbes only when their substrates are present. When not needed,they are not produced. This is in contrast to constitutive enzymes,which are always produced.仅在底物存在时才能由微生物产生的酶。如不需要,可不合成。这与组成酶相反,后者在细 ......（本文共 207 字 ） [阅读本文] >>