A.摩尔根依据果蝇杂交实验结果首次推理出基因位于染色体上 |
B.孟德尔描述的“遗传因子”与格里菲思提出的“转化因子”化学本质相同 |
C.肺炎双球菌体外转化实验和噬菌体侵染细菌实验均采用了能区分DNA和蛋白质的技术 |
D.双螺旋模型的碱基互补配对原则解释了DNA分子具有稳定的直径 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2