问题
单项选择题
Burkitt淋巴瘤的特异性染色体畸变是
A.t(1;14)(p23;q11)
B.t10;14)(q22;p22)
C.t(4;11)(q34;q11)
D.t(8;21)(q22;q22)
E.t(8;14)(q24;q32)
答案
参考答案:E
解析:在75%Burkitt淋巴瘤(BL)患者中存在特异性标记染色体t(8;14)(q24; q32)8q-和14q+。
Burkitt淋巴瘤的特异性染色体畸变是
A.t(1;14)(p23;q11)
B.t10;14)(q22;p22)
C.t(4;11)(q34;q11)
D.t(8;21)(q22;q22)
E.t(8;14)(q24;q32)
参考答案:E
解析:在75%Burkitt淋巴瘤(BL)患者中存在特异性标记染色体t(8;14)(q24; q32)8q-和14q+。
根据句子意思,从方框中选用恰当的单词或短语填空。
小题2:It’s necessary for us to help the people ________. 小题3:His brother __________ listening to music and he can sing lots of songs. 小题4:Bob _________ go to school on foot . But now he takes the school bus. 小题5:The professor (教授) worked very hard _____________ his teaching career. 小题6:I feel too tired. I ________ stay at home. 小题7:Sorry for being late. But there’s __________ in the street. 小题8:Timmy is _________ that we all like to ask him for help when we are in trouble. |