维生素B12在人体血浆内存在的形式是A.丙基钴胺素B.乙基钴胺酸C.乙基钴胺素D.甲基钴胺素E.甲基钴胺酸

作者: rantiku 人气: - 评论: 0
问题 维生素B12在人体血浆内存在的形式是
选项 A.丙基钴胺素 B.乙基钴胺酸 C.乙基钴胺素 D.甲基钴胺素 E.甲基钴胺酸
答案 D
解析

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