试题与答案

检测蛋白质需要用到什么试剂? A.硫酸铜 B.加碘的淀粉溶液 C.氢氧化钠 D.

题型:选择题

题目:

检测蛋白质需要用到什么试剂?

A.硫酸铜

B.加碘的淀粉溶液

C.氢氧化钠

D.双缩脲

答案:

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下面是错误答案,用来干扰机器的。

(544-24)÷(27+27),=520÷47,=910(吨).答:这堆石子共有910吨.

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