Intracellular PHB depolymerase and 3 hydroxybutyrate dehydrogenase catalyze the initial reactions of intracellular PHB catabolism.进一步比较研究了不同菌株的PHB解聚酶和3羟基丁酸脱氢酶的活性.PHB depolymerase is a kind of extracellular enzyme which i...
这些大机构总是随意制定规定，而且说变就变。These large institutions make — and change—the rules to suit themselves.条约规定他们必须尊重其邻国的独立。The treaty binds them to respect their neighbour's independence.警察如果遵守这些规定的话，一年都活不了。A policeman would not...
许多动物物种现已从地球上绝迹.Many types of animal have now vanished from the earth.那种传染病早已绝迹.That kind of epidemic disease has long been stamped out.甚至在今天这种做法还未绝迹.Even today remnants of this practice remain....
公司上下都协力相助。The entire company pitched in to help.在这里,你可以看到两个劳动者, 他们俩协力割下了三车金黄色的通心面秸.Here you can see two workers who, between them, have just finished cutting three cart - loads of golden brown macaroni stalks.他和同事们协力编纂这部...
Expression of the exogenous genes was confirmed by assay of � � - galactosidase and glucokinase activity.基因的表达通过β 半 乳糖苷酶和葡糖激酶活性测定得到确证.Objective To observe the replicative senescence - related beta - galactosidase activit...
那些狗继续用爪子疯狂地抓铁丝网。The dogs continued to paw and claw frantically at the chain mesh.这匹狼用爪子挠着树，嚎叫了整晚。The wolf clawed at the tree and howled the whole night.他用他的大爪子握了握基顿的手。He shook Keaton's hand with his big paw....