A.同一生物个体中不同类型细胞的细胞周期时间长短有差异 |
B.细胞周期各阶段的有序转换受不同的CDK-cyclin复合体调控 |
C.抑制某种CDK-cyclin复合体的活性可使细胞周期停滞在特定阶段 |
D.一个细胞周期中,调控不同阶段的CDK-cyclin复合体会同步发生周期性变化 |
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