(1)写出小球藻叶肉细胞叶绿体内合成有机物的文字表达式
(2)若测定A、B瓶内氧气的浓度变化,24h后,A瓶氧气浓度上升,B瓶氧气浓度
(3)在寒冷的冬季,将上述A瓶放在室外一昼夜。测得瓶内CO2浓度的变化曲线如图所示。小金认为小球藻在一天中无法积累有机物,其依据是
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