Sanger法测序的待测模板包括()
A.单链DNA
B.双链DNA
C.单链RNA
D.双链RNA
E.任意核酸
参考答案:A, B
Could you tell me _______ the bike this morning? [ ]
A. how does he mend
B. how he mends
C. how he mended
D. how did he mend
关于狼疮带试验,错误的是()
A.SLE非曝光处外观正常皮肤可为阳性
B.SCLE只在皮损处出现阳性
C.DLE只有在皮损处出现阳性
D.SLE非曝光处外观正常皮肤为阳性,预示有肾脏损害
E.SCLE曝光处外观正常皮肤亦为阳性