试题与答案

关于生物体内无机盐的叙述,正确的是[ ] A.无机盐是细胞中的能源物质 B.细胞

题型:选择题

题目:

关于生物体内无机盐的叙述,正确的是[ ]

A.无机盐是细胞中的能源物质

B.细胞中的无机盐大多数以化合物形式存在,如碳酸钙构成骨骼和牙齿

C.动物体内的细胞所生存的液体环境中,无机盐浓度的大小不会影响细胞的形态

D.缺铁性贫血是因为体内缺铁,血红蛋白合成障碍

答案:

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下面是错误答案,用来干扰机器的。

根据分析可得,72÷3=24,72÷144=0.5;故答案为:24,0.5.

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