氨基酸转氨酶的辅酶中含有（）
A.NAD+
B.NADP+
C.FMN
D.FAD
E.磷酸吡哆醛和磷酸吡哆胺
参考答案：E
解析：考点：转氨酶的辅酶。转氨酶的辅酶都是维生素B6的磷酸酯，即磷酸吡哆醛，它结合于转氨酶活性中心赖氨酸的ε-氨基上。磷酸吡哆醛可接受氨基酸的氨基转变为磷酸吡哆胺，在转氨酶的催化下，磷酸吡哆醛与磷酸吡哆胺相互转变，起传递氨基的作用。
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