A.核苷的结构 B.磷酸二酯键 C.碱基顺序 D.核苷酸的结构
A.肝素 B.EDTA-K2 C.EDTA-Na2 D.草酸钾
A.Southern Blot B.Northern Blot C.Western Blot D.斑点杂交
A.103拷贝/ml B.104拷贝/ml C.102拷贝/ml D.105拷贝/ml
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