adaptive enzymes
基礎科學

        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.僅在底物存在時才能由微生物產生的酶。如不需要,可不合成。這與組成酶相反,后者在細......（本文共 207 字）     [閱讀本文] >>