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...
这次原油泄漏可能会使波斯湾的海龟灭绝。The spill could wipe out the Gulf's turtle population.鲸 、 海豹, 企鹅和海龟均有鳍形肢.Whales, seals, penguins, and turtles have flippers.假如你把海龟翻过来, 它就无能为力了.If you turn over a turtle on its back, it will become...