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当前学科：临床化学综合练习
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可用于诊断肝细胞损伤的酶较多，如ALT、AST、GGT、ALP、5’-NT、ADA、GLDH、MAO、CHE、β-PH等，但它们在肝细胞内分布有区别，如细胞核、细胞质、线粒体、微粒体、内质网等，了解其在细胞内定位有助于了解肝损伤的程度。肝细胞中大部分存在于线粒体的酶是（）
A . A.ALT
B . LD
C . AST
D . GLDH
E . ALP
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