A.将胰岛素基因表达质粒转入大肠杆菌,筛选获得基因工程菌 |
B.将花青素代谢基因导入植物体细胞,经组培获得花色变异植株 |
C.将肠乳糖酶基因导入奶牛受精卵,培育出产低乳糖牛乳的奶牛 |
D.将腺苷酸脱氨酶基因转入淋巴细胞后回输患者,进行基因治疗 |
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