计算下列各题
编码细胞色素C(104个氨基酸)的基因有多长(不考虑起始和终止序列)
参考答案:104×3×0.34=106 nm≈0.11μm
某女,20岁,左乳腺上方圆形肿块,质地坚实,表面光滑,活动度好,边界清楚,肿块无疼痛感,最可能的诊断是()。
A.乳痈
B.乳癖
C.乳核
D.乳发
E.乳痨
People rushed into the room, but found __________. [ ]
A. something unusual
B. nothing unusual
C. anything serious
D. something serious