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细胞色素P450酶系主要存在于()

单选题
2021-12-27 18:47
A、内质网
B、线粒体
C、细胞膜
D、溶酶体
E、高尔基体
查看答案

正确答案
A

试题解析
本题为概念题,考核生物转化酶混合功能氧化酶的概念。细胞色素P450酶系又称混合功能氧化酶。备选答案中并无微粒体,实际上微粒体就是内质网。在代谢研究制备细胞匀浆过程中,内质网破碎并形成微粒体。因此本题正确答案为A。

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