(1)霍乱肠毒素的基本组成单位是
(2)当霍乱弧菌侵入到人体肠道后,其分泌的霍乱肠毒素(由1个A亚单位和5个B亚单位组成)引发的变化如下图,霍乱肠毒素与肠细胞膜上的

(3)霍乱重症患者入院后,医生首先会进行补液治疗(口服或静脉补液),以补充患者损失的

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

