In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软
动物为素材,综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽

与功
的进
。
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In early fish-like vertebrates more than 500 million years ago; in a common ancestor of arthropods, such as insects, spiders, and crustaceans, at around the same time; and then in the cephalopod mollusks around 300 million years ago.
在 5 亿多年前的早期类鱼脊椎动物中;节肢动物的共同祖先,如昆虫、蜘蛛和甲壳类动物,大约在同一时期;然后是 3 亿年前的头足类软体动物。



