(1)由图可判断进入根细胞的运输方式是主动运输,判断的依据是
(2)O2浓度大于a时作物乙吸收速率不再增加,推测其原因是
(3)作物甲和作物乙各自在最大吸收速率时,作物甲根细胞的呼吸速率大于作物乙,判断依据是
(4)据图可知,在农业生产中,为促进农作物对的吸收利用,可以采取的措施是
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